| 单词 | be up to sth |
| 释义 | be up to sth be up to sth ► B1 to be doing something: » What are you up to at the moment?Thesaurus+: ↑Acting and acts , ↑Dealing with things or people be up to sth B1 INFORMAL ► F0 to be doing something, often something bad or illegal, usually secretly: » She's up to no good (= doing something bad or forbidden) - you can always tell because she stays in her room.» He looks very suspicious hanging around by the bins - I'm sure he's up to something.Thesaurus+: ↑Acting and acts , ↑Dealing with things or peopleMain Entry: ↑up to |
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