A translator's note is attached to this part.

He entered the room.

I can fall asleep immediately after taking a sleeping pill.

He started training his anal sphincter.

He is good at playing the contrabass.

My younger sister won the piano contest.

He always carries a condom with him.

It is important to understand the basis of this problem.

This train is crowded every morning.

The air conditioner has broken down, so it needs to be repaired.