black and blue
鼻青脸肿；伤痕累累

Her arm was black and blue from the accident.
(她的手臂在事故中伤痕累累。)

He beat the boy black and blue.
(他把那个孩子打得鼻青脸肿，遍体鳞伤。)

add fuel to the fire
火上加油

I think we should show our objection by leaving the meeting.
(我认为我们应该以离开会场来表达我们的抗议。)

I'm afraid the move will only add fuel to the fire.
(我怕这么做只会火上加油。)

in one's tracks
当场,当下

The police caught the thief in his tracks.
（警察当场（当下）就把小偷给抓了起来。）

That must have been dangerous - he already shot two police officers.
（那一定很危险，他已经枪杀了两名警官。）

out of season　
不合时令的

Do you have strawberries in your country?
（你的国家生产草莓吗？）

Sure we do, but they're out of season right now.
（当然，但现在不是产草莓的季节。）

have butterflies in one's stomach　
感到紧张

I always get butterflies in my stomach before a test.
（我在考试之前都会感到紧张。）

I have them before I go on a first date with a girl.
（我第一次和女生约会时也会这样。）

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