bad的副詞用英語怎麼寫

例句：

This isn't as bad as I thought.

這沒我原來所想的那麼差。

Smoking gives you bad breath.

吸菸會導致口臭。

She felt bad about leaving him.

她因離開他而感到歉疚。

As teachers go, he's not bad.

和一般教師相比，他是不錯的。

The play was embarrassingly bad.

這齣戲很糟，令人難堪。