“你能帮我把这个信儿带给皮特吗？—“不行，我不能。”

"Can you just get the message through to Pete for me?"—"No, no I can't."

《柯林斯英汉双解大词典》

课程学习的圆满完成并不能保证你能得到工作。

Satisfactory completion of the course does not ensure you a job.

《牛津词典》

你能找到我的睡衣吗？不，我不能。

Can you find my pyjamas? No, I can't.

youdao

You can't take the exam unless you're registered for the class, and we need to make sure we can verify that.

否则你是不能参加这次考试的,除非你注册了这门课，而我们需要确定你能证实这一点。

麻省理工公开课 - 化学原理课程节选

so you get a good idea of, like, what you knew how to do and what you couldn't do. So.

你就能明白你现在会做什么，以及不能做什么。

考试应该这么准备 - SpeakingMax英语口语达人

You've got to pretty much take that chalk, and make a slurry out of it, put water, and dry it back up, put in a mold, and then you can have the chalk again, but you can't just glue it back together.

你得尽可能地收集它的碎片，把它做成粉浆，加水然后风干，放进模具，然后你就能重新得到这支粉笔，但是你不能简单地把它粘起来。

麻省理工公开课 - 热力学与动力学课程节选