来历

tā mǎ shàng yì shí dào zhè lǎo tóu r yī dìng yǒu xiē lái lì

她马上意识到这老头儿一定有些来历。

She immediately realized that the old guy had a long story behind him.

rì zi cháng le wǒ cái zhī dào tā zhè ge wài hào de lái lì

日子长了我才知道她这个外号的来历。

It was only after a long time that I understood where her nickname came from.

tā jué de tā méi bì yào guò wèn zhè bǐ qián de lái lì

他觉得他没必要过问这笔钱的来历。

He felt there is no need for him to ask where the money came from.

chá míng mǒu rén de lái lì

查明某人的来历

ascertain a person's antecedents

lái lì jiǎn dān

来历简单

be of simple background

nà jiā huo tūn tūn tǔ tǔ de shuō chū le tā gē ge de lái lì

那家伙吞吞吐吐地说出了他哥哥的来历。

Stammering, that guy spilled out his bother's story.

lái lì bù míng de rén

来历不明的人

a person of dubious background