If you must move, don't follow a stream unless you know it, and in that case, you are not lost.

如果你非要走动的话，别顺着溪流走，除非你对它很熟悉。但是如果你很熟悉，那你就不会迷路了。

youdao

It is simply not the case that prison conditions are improving.

监狱条件得到改善的情况绝非事实。

《牛津词典》

Perhaps you've some doubts about the attack. In that case it may interest you to know that Miss Woods witnessed it.

或许你对本次袭击有些怀疑。要是那样的话，你可能会有兴趣了解伍兹小姐目睹了一切。

《柯林斯英汉双解大词典》

A court dismissed the case. It said the government failed to prove that the trust had interfered with interstate commerce.

VOA: special.2010.06.03

In that case, we understand it as a sequence of cross-sections rather than something that somehow organically changes through time.

这样，我们就是在学习一个个语言的横截面,而不是语言自然的变化过程。

耶鲁公开课 - 文学理论导论课程节选

It's very simple. It's this: if I know what I'm doing, it is almost inevitably the case that you would know also.

实际上十分简单：,如果我知道我创作的是什么，那么你很可能也知道我创作的内涵。

普林斯顿公开课 - 人性课程节选

It that case: mission accomplished I guess.

FORBES: Quality Time With Lara Croft - Tomb Raider Hands-On

And, in fact, it was that case that we were asked to take on, which we did, which represented the very first time ever that DNA was ever used to sort out a problem of that sort.

NPR: Pioneering DNA Forensics

Would he consider it in that case?

WHITEHOUSE: Press Briefing