He always keeps a smile on his face.

This lake evaporates when summer comes.

The lake water evaporated due to the heat of the sun.

He always speaks his mind honestly.

He is a person who always values honesty.

Honestly, I can't understand that proposal.

Water evaporates due to the heat of the sun.

The first half of this year was very busy.

He was playing beach volleyball shirtless.

My room is only four and a half tatami mats.