He never stopped smiling in order to flatter his boss.

He got promoted by using flattery on his boss.

I have revised your essay.

He revised my report for me.

Our town suffered significant damage due to the natural disaster.

This kanji has many strokes, doesn't it?

When I ate tempeh for the first time, I was surprised by its unique taste.

My younger brother will go to a new school for changing school.

He had to change schools because of his family's job transfer.

We must use natural resources carefully.