| 词汇 | vanish/go up/disappear in a puff of smoke |
| 释义 | vanish/go up/disappear in a puff of smoke idiom informal 消失得无影无踪 to disappear suddenly and completely One moment he was standing behind me, the next he had vanished in a puff of smoke. 前一秒钟他还站在我身后，后一秒钟他就消失得无影无踪了。 All his hard work seemed to be going up in a puff of smoke. 他所有的辛劳似乎都成了泡影。 |
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