不要

Don't confound the means with the ends.

不使手段与目的混淆不清。

Keep calm. You shouldn't lose your composure.

"保持镇静,不惊慌失措。"

Do not judge according to the appearance.

不从事物的外断。

The coach admonished the girls for being lazy.

教练告诫姑娘们不偷懒。

He admonished his friend not to be late for work.

他规劝他的朋友上班不迟到。

I've arranged the books alphabetically so don't muddle them up.

我已按字母顺序把这些书整理了, 千万不再弄乱。

I advise you not to attach yourself to the party.

我劝你不参加这个党。

Don't lift the clipper with the cord avoiding it enwind.

轧刀不用时，请不用电源线轧刀，以避免软线缠绕。

I have tried to discourage him from biting nails.

我曾劝阻他不咬指甲。

Make authorship your avocation, not your vocation.

把写作当作你的副业，不把它当作正业。

Don’t be so coy, and I know you’d like to do the job.

不这样忸怩作态, 我知道你 真的喜欢这份工作。

Don't be fooled by any of her cunning tricks.

不被她的任何诡计所骗。

Don’t try any of those daredevil stunts.

不些天不怕地不怕的绝招。

Not obtrusive, go up pertly courtship, you can refuse for certain.

不莽撞，冒冒失失上去求爱，你肯定会遭拒绝。

Don't give credence to all the gossip you hear.

不相信你听到的闲话。

Don’t be so grumpy and cynical about it.

不为此这么生气,这么愤世嫉俗。

I prefer my cynicism to your self-deceiving optimism.

我宁愿我的玩世不恭也不你自欺欺人的乐观。

Please don't omit to lock the door when you leave.

离开时不忘了锁门。

Don't scant the butter when you make a cake.

做糕饼时不吝惜奶油。

Do not leave off your overcoat; it is cold.

不把你的大衣脱下, 天气很冷。