我的讯息是，“你若企图走私毒品，那是犯傻。”

My message is "If you try to smuggle drugs you are stupid."

《柯林斯英汉双解大词典》

你里头的光若黑暗了，那黑暗是何等大呢。

If then the light within you is darkness, how great is that darkness!

youdao

你若高兴的话，可以带一些水果或甜点，或者，尤其是有女主人的话，可以送一些花。

If you like, you can bring some fruit or sweets, or, especially if there is a hostess, some flowers.

youdao

Now we're gonna hand you some framework, that code that we wrote with some blanks to get you accustomed to the idea of one, writing larger programs than time might allow if you were doing it on your own.

现在就提供给你们一些框架，在代码中有些空白,是为了让你们了解其中的思想，如果是你自己，若时间允许,那就尽量写大的程序。

哈佛公开课 - 计算机科学课程节选

and the one friend could explain how they would have responded.

而你这个朋友便解释若换成是自己，他会是怎样反应的。

That's what课堂 - SpeakingMax英语口语达人

It's a long-term plan, which can go wrong if you get sick and die in your early 20s.

这是长期的计划，若你在二十几岁生病死去它就会出错。

耶鲁公开课 - 死亡课程节选