wave off

wave off
vt. sep.
to wave off sb or to wave sb off 向…挥手告别
- Finally she waved off the last of the guests from the porch and turned back indoors with a weary sigh. 最后, 她在门廊挥手作别最后一拨客人, 转身进门, 疲惫地叹了口气。

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wave off
挥手为(某人)送行
- They go to wave their boys off on the troop trains. 他们去向部队运输列车上的孩子们挥手送行。
挥手驱去
- She waved off the idea of more talk. 她挥挥手, 表示不愿再谈了。