名词
中文翻译：背挖
同义词：
['stealth grafting', 'back-handedness', 'underhandedness']
例句：
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1. The thief was caught red-handed by the police.
这个小偷被警察当场抓获。
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2. She's always been known for her underhanded ways.
她一直以不正当的方式行事而闻名。
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3.He backed out of the deal at the last minute, leaving everyone in the lurch.
他在最后一刻退出了交易，让所有人都措手不及。