我不能走，为了他我该留下来。

I can't go; I owe it to him to stay.

《柯林斯英汉双解大词典》

你不能走—听清楚了吗？

You can't go—do you hear me?

《牛津词典》

他告诉他们自己年老体弱，不能走那么远。

He told them he was old and feeble and was not able to walk so far.

《柯林斯英汉双解大词典》

And I'll say, alright, suppose I do take item 0, well I can't take item 0, right? Weighs too much.

所以，不能走这边的分支，回到这儿，好的。

麻省理工公开课 - 计算机科学及编程导论课程节选

I think there's the old saying, "You can't run before you walk." and I think it's basically the same thing about writing.

有句俗话叫，“你不能未立先走。”我觉得写作跟这个是一个道理。

英语阅读：技巧 - SpeakingMax英语口语达人

Poor little Laura, my baby, to whom I had told everything about Dean, began almost to cry."Oh, we shouldn't let him go like this.What'll we do?"

可怜的小劳拉，我的宝贝，我曾经把狄恩的一切都告诉过她，这时她几乎要哭了：“噢，我们不能让他就这么走“

耶鲁公开课 - 1945年后的美国小说课程节选