Doubling up as a waitress and a bartender is exhausting, but it pays the bills.
Doubling up on practice sessions is vital if we want to win the championship.
Doubling up on precautions is essential when dealing with hazardous materials.
Doubling up on security could make the system more robust but also more cumbersome.
Doubling up on security measures seemed prudent after the recent breaches.
Doubling up on shifts this week means I'll finally have enough for the concert tickets.
Doubling up on socks helped keep my feet warm during the freezing hike.
Doubling up on study sessions helped her ace the difficult exam.
Doubling up on the butter made the cookies incredibly rich and delicious.
Doubling up on the cheese made the pizza even more irresistible.
Doubling up on the coffee is the only way I'll get through this all-nighter.
Doubling up on the cushioning made the chair more comfortable.
Doubling up on the fertilizer helped the plants grow faster.
Doubling up on the fertilizer may have caused more harm than good.
Doubling up on the garlic added a pungent kick to the dish.
Doubling up on the herbs gave the sauce a more complex flavor.
Doubling up on the icing made the cupcakes extra sweet.
Doubling up on the ingredients made the dish enough for everyone.
Doubling up on the layers of clothing kept her cozy in the snow.
Doubling up on the paint layers created a richer, more vibrant color.
Doubling up on the protection ensured the safety of the valuable artifact.
Doubling up on the reinforcement made the structure more stable.
Doubling up on the security detail seemed excessive, but necessary.
Doubling up on the sugar in the recipe proved to be a mistake.
Doubling up on vitamin C during the cold season is a common practice.
Doubling up the dose of his medication without consulting a doctor was a dangerous gamble.
Doubling up the ingredients ensures a richer, more decadent chocolate cake.
Doubling up the rope provided the necessary strength for the climb.
He found himself doubling up with a mix of happiness and sadness.
He was doubling up in pain after taking a hard hit during the rugby match.
He was doubling up with anger after being unfairly criticized.
He was doubling up with anticipation for the upcoming vacation.
He was doubling up with anxiety before his big presentation.
He was doubling up with despair after losing his job.
He was doubling up with disbelief after hearing the shocking news.
He was doubling up with elation after winning the lottery.
He was doubling up with exhaustion after running the marathon.
He was doubling up with frustration after the computer crashed.
He was doubling up with fury after being betrayed by his friend.
He was doubling up with grief after the loss of his pet.
He was doubling up with misery after being rejected.
He was doubling up with regret after making the hasty decision.
He was doubling up with remorse after hurting his friend's feelings.
He was doubling up with shame after being caught lying.
He was doubling up with sorrow after the passing of his grandmother.
He was doubling up with suppressed coughs during the quiet movie scene.
He was doubling up with the effort of carrying the heavy load.
He was doubling up with the strain of holding his breath underwater.
He was doubling up, trying to stifle a yawn during the boring lecture.
Seeing his old friend after so long had them doubling up with joyous tears.
She ended up doubling up her donations to the charity.
She ended up doubling up her efforts to get promoted.
She ended up doubling up her volunteering hours at the animal shelter.
She found herself doubling up her commitment to fitness goals.
She found herself doubling up her involvement in the community.
She found herself doubling up with silent sobs in the dark.
She found herself doubling up with stomach cramps after eating the questionable street food.
She started doubling up her efforts to achieve her dreams.
She started doubling up her efforts to improve her public speaking skills.
She started doubling up her efforts to learn the new language.
She started doubling up her efforts to mend the broken relationship.
She started doubling up her networking efforts to find a job.
She started doubling up on her dance classes to prepare for the audition.
She started doubling up on her savings in anticipation of retirement.
She started doubling up on her study routine when exam season arrived.
She was doubling up as both the director and the lead actress.
She was doubling up her efforts to make the team project successful.
She was doubling up her efforts to raise awareness for her cause.
She was doubling up on her exercise routine to prepare for the marathon.
She was doubling up with embarrassment after tripping on stage.
She was doubling up with fear as the storm raged outside.
The audience was doubling up with laughter at the comedian's outrageous jokes.
The chef was doubling up on spices to create a more complex flavor profile.
The sheer volume of applications required us to start doubling up on reviewing them.
The students were doubling up their efforts to finish the project before the deadline.
The team is doubling up on training exercises to improve their endurance.
They considered doubling up their investment in the promising tech startup.
They decided on doubling up the layers of insulation in the new house.
They ended up doubling up on reservations because of a miscommunication.
They ended up doubling up rooms when unexpected guests arrived.
They were doubling up on blankets to stay warm in the drafty cabin.
They were doubling up on investigations to uncover the truth.
They were doubling up on maintenance to prevent equipment failure.
They were doubling up on manpower to speed up the construction process.
They were doubling up on marketing campaigns to increase sales.
They were doubling up on monitoring to prevent network security breaches.
They were doubling up on patrols to deter crime in the neighborhood.
They were doubling up on research to support their claims.
They were doubling up on sandbags to protect their homes from the flood.
They were doubling up on security personnel at the event.
They were doubling up on shifts because of the staff shortage.
They were doubling up on staff in anticipation of the busy holiday season.
They were doubling up on surveillance to monitor the suspicious activity.
They were doubling up on surveillance, expecting a potential robbery.
They were doubling up on testing to ensure the product's quality.
They were doubling up on the overtime hours to finish the project.
They were doubling up on training to prepare for the rescue mission.
They were doubling up their guard, aware that the enemy was near.
We ended up doubling up on bread because the bakery was having a sale.
With the company struggling, they considered doubling up departments under single managers.