一丝一毫 (yī sī yī háo) | Meaning: one thread, one hair (idiom); a tiny bit | Chinese Idiom with Pinyin & Origin

just the tiniest bit · a hint of一星半点yī xīng bàn diǎn

a tiny bit · very little · next to nothing (idiom)微乎其微wēi hū qí wēi

the slightest amount or degree · a bit丝毫sī háo

(lit.) one hair from nine oxen (idiom) · (fig.) a drop in the ocean九牛一毛jiǔ niú yī máo

one thread, one hair (idiom); a tiny bit · an iota