| 单词 | draw a blank |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔FAIL〕Once again police investigators have drawn a blank. 警方调查人员又一次落了空。朗文写作活用〔draw〕All his investigations have drawn a blank so far.他所有的调查迄今为止都没有结果。朗文当代〔draw〕So far, the police investigation has drawn a blank.到目前为止警方的调查毫无结果。牛津高阶She had spent all morning looking for his address but had drawn a blank.整个早上她都在找他的地址，但是一无所获。剑桥国际 |
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