| 字词 | 来历不明 |
| 释义 | 来历不明 lái lì bù míng unknown source or origin; It is not clear how he comes by so many valuables.; It is not clear how he comes to occupy the present important position.; obscure (unknown) origin; of dubious background; of questionable antecedents; one's legal identity not clarified of unknown origin: 这辆卡车来历不明。 This truck is of unknown origin. |
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