He drew a heptagon with a steady hand.

I decided to take a break.

Let's take a break after finishing work.

An obstacle stood in the way of his success.

Japanese morphemes are very complex.

He is sensitive, so he is easily bothered by even small sounds.

He made his opposition to capital punishment clear.

This lake is rich in diatoms.

This eigenfunction is one of the fundamental concepts of quantum mechanics.

Let's talk about this case in detail later.