He experienced great hardship to complete the project.

He went through great hardship to complete the project.

He always tries to run away to avoid problems.

He always tries to run away to avoid problems.

It is said that bandits used to live in that mountain long ago.

My favorite subject is math.

He is a very reticent person.

The construction segment of this road is 5 kilometers.

He fell into a deep sleep and made a loud snoring sound.

The success of this project depends on the permanence of our efforts.