He is wearing an expensive suit to show off his air of importance.

He leaned against the wall to rest his fatigue.

He leaned against the wall because he was tired.

My luggage is very heavy.

I couldn't get in touch with her for a week.

These experimental results support our hypothesis.

It's important to clearly convey your strengths to the interviewer.

There is a New Year's celebration in January.

The tip of this pen is only 1 millimeter.

He always likes to be the first to comment on videos.