汉英词典
Chinese-English Dictionary
MEANING OF 來歷不明
來歷不明 (来历不明)
of unknown origin
来历由来。人或事物的来历与经过不清楚。
() lái () lì bù/bú míng
EXAMPLE SENTENCES

这辆卡车来历不明

This truck is of unknown origin.

她的家世和来历不明

Nothing is known about her parentage and background.

在调查中,他们被证明具有来历不明的财产。

On investigation, they prove to have ectoplasmic properties.

不是那被遗忘的来历不明的呼吸,而是檐下的熏风,抑或是春天里消融殆尽的冰凌。

Not the breath of the disremembered and unaccounted for, but wind in the eaves, or spring ice thawing too quickly, Just weather.

现在,该运动正致力于使矿产公司签字接受这些准则,并使珠宝商拒绝那些来历不明的黄金。

The campaign is now trying to get mining companies to sign up to these rules, and jewellers to eschew gold that has come from unacceptable sources.

尽管有特征说明蘑菇是有毒的,但它们是不一致的,所有来历不明的蘑菇都应该被认为是有危险的食物。

While there are signs that a mushroom is poisonous, they are not consistent, and all mushrooms of unknown origin should be considered dangerous to eat.

在许多欧洲城市,例如布鲁塞尔,垃圾袋上必须有市政税标志,有时警察会调查那些来历不明的袋子以追究作案犯科者。

In many European cities (eg, Brussels), rubbish sacks must bear a municipal tax symbol, and rogue bags are sometimes searched by police in order to track down culprits.