我對佢呢個決定有一絲懷疑。
我对佢呢个决定有一丝怀疑。
I have some doubts about his decision.
Definitions (Wiktionary)
noun
a tiny bit
或許你不相信 我沒有一絲的埋怨和悔意
或许你不相信 我没有一丝的埋怨和悔意
huò xǔ nǐ bù xiāng xìn , wǒ méi yǒu yī sī de mán yuàn hé huǐ yì Perhaps you don't believe That I haven't had the slightest bit of complaint or change of heart