flailed
v.
鞭打( flail的过去式和过去分词 );
用连枷脱粒;
（臂或腿）无法控制地乱动;
扫雷坦克;
例句:
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The boys flailed around on the floor.
男孩子们在地板上任意地动来动去。
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The prisoner's limbs flailed violently because of the pain.
那囚犯因为疼痛,四肢剧烈地抖动着.
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He gave a choked cry, flailed his arms wildly for a moment, and then went over the edge.
他闷哼了一声，手臂乱挥了几下，就从边上摔了下去。
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She flailed the ancient carpet as if it contained demons instead of dust.
来自P. Bailey
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And plenty of other mayors flailed unsuccessfully for Google's attention, too.
来自CNN
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The boy flailed for about a minute, drifting toward the deep end, then sank.
来自WSJ