| 词汇 | useful |
| 释义 | useful adjective uk/ˈjuːs.fəl/ us/ˈjuːs.fəl/ A2 有用的，有效的；有帮助的 effective; helping you to do or achieve something A good knife is probably one of the most useful things you can have in a kitchen. 一把好刀应该是厨房里最有用的物件之一。 Do the exercises serve any useful purpose? 这些练习有什么用处吗？
Idioms come in usefulidiom UKC2 派上用场，有帮助 to be useful and help someone to do or achieve something You should keep that paint - it might come in useful one day. 你应该留着那些油漆——说不定哪天会派上用场。 make yourself usefulidiom 别闲着 a way of telling someone to start being helpful Now you're here, you might as well make yourself useful - there's a lot of cleaning up to do. 既然你来了，那就别闲着——有很多清理工作要做。 |
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