n.塞口物，（牲畜的）口衔，言论限制，恶作剧，张口器
vt.塞住…的口，抑制言论自由，使窒息，用张口器将嘴张开
vi.作呕，窒息，开玩笑，说俏皮话
Each gag was rewarded with a generous belly-laugh.
每一次插科打诨都引来一阵开怀大笑。
His captors had put a gag of thick leather in his mouth.
劫持者用一块厚厚的皮革堵住了他的嘴。
They tied him up and put a gag on him.
他们把他绑起来并用布堵住了他的嘴.
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