来自irritate,刺激，使烦恼。

1. They may feel tired and though outwardly calm, can be irritable.

他们或许会感到疲惫，虽然外表看似没事，但可能很容易发火。

2. He wasn't irritable or snappy or anything, just slightly perplexed.

他并不是爱发火或爱起急什么的，他只是有点困惑。

3. Teething can be painful and make your baby irritable.

长牙会很难受，婴儿会烦躁不安。

4. Alan was irritable, and very evidently in a nervy state.

艾伦很急躁，很明显他处于紧张不安的状态。

5. His glasses magnified his irritable glare.

他那怒不可遏的眼神在眼镜片下显得愈发逼人。