a light sandal, typically of plastic or rubber, with a thong between the big and second toe
（塑料，橡胶）平底人字拖鞋。
〈北美〉 后空翻，后手翻。
〈非正式〉 政策突然转向，政策突变
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his flip-flop on taxes. 他税收政策的突变。
【电子】 触发电路。
[with adverbial of direction]move with a flapping sound or motion
啪嗒啪嗒移动
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she flip-flopped off the porch in battered trainers. 她穿了双破运动鞋啪嗒啪嗒跑下门廊。
〈北 美，非正式〉 突然改变政策
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the candidate flip-flopped on a number of issues.候选人在若干政策问题上突然变调。
"mid 17th cent. （in the general sense ‘something that flaps or flops’）： imitative reduplication of
