She's had some water but she can't keep any food down.

她喝了点儿水，但一吃东西就吐。

《牛津词典》

But she can't cook.

但她不会做饭。

youdao

When I fall down, I wish she could be with me. But she can't.

我跌倒的时候，真希望她在身边，可是不能够。

youdao

She says she had trouble with seventh grade algebra. "I think the teachers are good, but they can't go at a pace that's perfect for everyone."

VOA: standard.2010.03.26

So you are saying that Nicola can go back into the state of nature if she wants to but she can't drive on Mass. Ave.?

你是说,只要妮可拉愿意，她可以回到自然状态,但她从此不能在麻省的路上开车了？

耶鲁公开课 - 公正课程节选

But we obviously can't commit before we find out whether she's free.

但在确定她是否有时间之前，我们肯定没法确定。

Let me 实战 - SpeakingMax英语口语达人

Clinton certainly deserves all the positive coverage, but she can't let it define her.

CNN: Hillary Clinton and the experience trap

Not surprisingly, Rose is enraged at her younger sister, but she can't bring herself to abandon her.

WSJ: Lucinda Rosenfeld, Author of The Pretty One, on Sisters | Word Craft

Streep's Kay is no feminist, and you wouldn't call her liberated either, but she can't stand the loneliness any longer.

CNN: STORY HIGHLIGHTS