疑窦

dùn shí shēng chū yí dòu

顿时生出疑窦

suddenly feel suspicious

xiāo chú yí dòu

消除疑窦

remove doubts

yī sī yí dòu

一丝疑窦

a pinpoint of doubt

měi yī fāng dōu wèi le yí dòu ér zhǎn zhuǎn kǔ sī

每一方都为了疑窦而辗转苦思。

Both sides produced their facts and figures, and each was tormented by doubt.

xiǎo tōu de gòng shù shì ràng rén yí dòu de

小偷的供述是让人疑窦的。

The thief's statement is suspect.