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单词 sit up
释义 sit up
intransitive verb
Etymology: Middle English sitten up, from sitten to sit + up — more at sit, up
1. : to rise from a lying to a sitting position : sit with the body erect
 < able to sit up and take nourishment >
2. : to show interest or alertness or surprise
 < we sit up with pleasure when he suddenly lashes out at some literary stuffed shirt — Alfred Kazin >
3. : to stay up after the usual time for going to bed
 < sit up with a sick child >
 < a late movie not worth sitting up for >

- sit up and take notice
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更新时间:2025/3/22 0:10:05