háo wú
not in the least
to completely lack
háo wú yí wèn
certainty
without a doubt
háo wú èr zhì
there cannot be another one like it
háo wú xiào guǒ
to no avail
achieving nothing
totally ineffective
to have no effect
to fall flat (esp. of joke or speech that is completely ignored)
qiū háo wú fàn
lit. not harming a new feather (idiom); not commit the slightest offense against the people (of soldiers)
would not hurt a fly
háo wú xùn sè
not in the least inferior (idiom)