淡定（非正式）

别发脾气（非正式）

保持冷静（非正式）

keep your hair on!───淡定（非正式）；别发脾气（非正式）；保持冷静（非正式）

keep your shirt on───别激动；沉住气

keep your head down───保持低调

let your hair down───不拘礼节,态度随便

tear your hair out───把头发扯下来

keep your chin up───别灰心；保持斗志

to keep your hand in───把手伸进去

keep your eyes open───睁开眼睛；睁大眼睛；留意

pull your hair out───把头发拔出来

I hope you'll keep your hair on with me for the things I am gonna talk.───我要说的内容希望你能够冷静不要对我发火。

Keep your hair on.───保持你头发上。

You just keep your hair on and listen to me.───你必须保持头发在上，并听我说。

I hope, in spite of what I've said, that you'll keep your hair on with me, Hob.───霍布，不管我说了些啥，但我还是希望你保持冷静，不要对我发脾气。

I hope you'll keep your hair on with me for the things I am gonna talk.───接下去我要说的内容希望你能够冷静不要对我发火。

Keep your hair on, Jill. I wasn't saying that you should do anything dangerous.───冷靜點，吉兒。我並不是說你要去做危險的事。

[Hangs up the phone] In English, if you want someone who's angry to calm down, you can say "keep your hair on" .───挂上电话在英国，如果你想要某人生气的时候，冷静下来，你能说，“保持你头发上”。

Keep your hair on! Nobody meant to hurt you.───别发火！没人想有意伤害你。

Put down your pistol, keep your hair on!───放下手枪！不要动怒。

You should keep your hair on at that time.

" All right, pal , keep your hair on!

All right, all right, keep your hair on! I'm sorry.