perseverance

She still hadn't given up hope of finding her dog alive.

She pressed her lips firmly together and resolved never to cry.

She silently endured his abuse for years.

She devoted her whole life to that work.

She held out to the very end.

She made up her mind to try again.

She's working hard at her studies this semester.

She's still active at the top of her field.

She's beavering away at it right now.

She kept marching steadily forward through the rain.

She went to school even though her right leg hurt.

She advanced toward the goal step by step.

She had to study hard to catch up with her classmates.

Despite her low pay, she works hard at the company.

She had to silently endure her own misfortune.

She could no longer bear the insult.

She has the remarkable ability to overcome any obstacle.

She's the kind of person who can endure any hardship.

She always works no matter how unwell she's feeling.

Somehow or other, she towed their boat behind the car and got it into the garage.

She poured her heart and soul into it.

She bore the pain admirably.

Even after hearing the news, she didn't lose her composure in the slightest.

She kept up that habit until the day she died.

She poured all her energy into the work.

She channeled her energies into the work.

She overcame the difficulty.

She went to school despite having a sore foot.

She kept talking despite the noise.

She can handle the situation she's in.