单词 | check up on sb |
释义 | check up on sb check up on sb — phrasal verb with check /tʃek/ verb ► C1 to try to discover what someone is doing in order to be certain that they are doing what they should be doing: » My mum checks up on me most evenings to see that I've done my homework.Thesaurus+: ↑Testing, checking and experimenting |
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