biff
biff(informal)(非正式)verb- [with obj.]strike (someone) roughly or sharply, typically with the fist
(尤指用拳)猛打,重击
he biffed me on the nose.
他一拳打中我的鼻子。
noun- a sharp blow with the fist
用拳重击,捶
语源- mid 19th cent. (originally US): symbolic of a short sharp movement
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