bob your headHELLOYESto move your head down quickly as a way of showing respect, greeting someone, or agreeing with them 点头〔表示尊敬、问候或赞同〕 He spoke to the girl, who bobbed her head. 他和女孩说着话,女孩频频点头。
bob your head• She reddened and bobbed her head and sat down a little awkwardly.• A man turned into a baby, who bobbed his head and wept.• The birds just sort of bob their heads like they're wind up toys.
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