不明不白

bù míng bù bái de shì qing

不明不白的事情

obscure affair

tā shuō de bù míng bù bái

他说得不明不白。

What he said was unclear.

zhè qí zhōng zuì shǎ de ràng rén bù míng bù bái de shì gù shì de qíng jié

这其中最傻得让人不明不白的是故事的情节。

The most head-scratchingly silly of all are the story's plot.

bù míng bù bái de sǐ qù

不明不白地死去

meet a mysterious end

tā bù míng bù bái de āi le yī dùn pī píng

他不明不白地挨了一顿批评。

He was criticized for no clear reason that he could tell.

tā liǎ de guān xi bù míng bù bái

他俩的关系不明不白。

The two have some dubious relation.