My mother didn't need it, but she needs it now.

我妈妈原来不需要它，但她现在需要了。

youdao

Jane left her geometry book in my bag, and she needs it to do her homework.

珍妮把她的几何书忘在我的书包里了，她要做功课。

youdao

She's a nice girl, but she can always depend on her parents to help her out when she needs it.

她是个挺好的女孩，可当她需要帮助的时候，她总是要依靠她父母解救。

youdao

She says it is a good start but still needs work.

VOA: special.2010.03.18

She has way more power than she needs, it would seem, to destroy a petty little mages like Comus.

她会拥有更多的力量，那看上去足够，摧毁一个像科玛斯这样的英俊的法师。

耶鲁公开课 - 弥尔顿课程节选

Of course, she needs to know the basic principles, but she's also talking about it an enzyme, so she needs to know about enzyme catalysis.

她需要知道这表上的许多东西，当然她需要知道到这些基本原理，她研究的是一种酶。

麻省理工公开课 - 化学原理课程节选

If she needs it to grow for her future, it needs to be diversified.

NPR: How to Weather a Rocky Economy

She loves Jack and might be persuaded to give it a try just for his sake, not because she needs it.

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These owners of the businesses only want to make a product do enough to make somebody buy it when he or she needs it.

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