snappish

My boss is always snappish before she has her morning coffee.

我的老板在喝早咖啡之前总是没好气的。

He became snappish when the children kept interrupting him.

当孩子们不断打断他时，他变得很没好气。

Try not to be snappish with the customers; they're just asking questions.

尽量别对顾客说话那么冲；他们只是问问题。