哦，求求你，爸爸，就这一次，别小气嘛。

Oh, please, Dad, just this once don't be cheap.

《柯林斯英汉双解大词典》

只要还有可能就别放弃。

Don't give up until you have exhausted all the possibilities.

《牛津词典》

如果一切都搞砸了，就别指望我来解救你。

Don't expect me to bail you out if it all goes wrong.

《牛津词典》

OK, so now, Romeo: "shall I hear more, or shall I speak at this?" Fellows, a bit of advice, don't interrupt.

现在，罗密欧，我是继续听下去呢,还是现在就对她说话，同学们，有点建议，别打断。

麻省理工公开课 - 固态化学导论课程节选

If you are going to be shy in another country, you're not going to learn another language.

如果你在另一个国家会感到害羞，那你就别学另一种语言了。

在英语系国家 - SpeakingMax英语口语达人

And I'm fascinated by the way that even at that elemental point, the religions come in, and like the Tower Babel confuse our speech.

我还为一件事物着迷,那就是宗教最初产生的时候，就像巴别塔扰乱了我们的语言。

普林斯顿公开课 - 人性课程节选