He had no choice but to quit his job.

Due to his illness, he had no choice but to take a day off from work and rest at home.

In this situation, he has no choice but to act.

His smile has an irresistible charm.

In the final scene, one cannot help but cry.

He was picking up trash in the park every day without telling anyone, in order to accumulate good deeds done in secret.

He tried to conceal the important information.

He found a way to solve that specific problem.

He gathered the necessary information to specify the problem.

The special effects of this movie are really amazing.