来历不明 meaning in Chinese
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
Examples
- The physicians at first laughed at the unknown wayfarer .
医生们起先嘲笑这个来历不明的旅行者。 - His inexplicable debts were a byword in his circle .
他那些来历不明的借款成为那圈子里人议论的话题。 - Within an hour an unidentified person had leaked the story to the newspapers and started a scare-hunt .
在一个小时内，就有一个来历不明的人将这件事透露给了报社，并引起了恐慌。 - Avoid drinks prepared by ice of unknown origin
避免饮用来历不明的冰块所调制的饮料 - Do not read mails and attachment
不要阅读来历不明的电子邮件及其附件。