clueless
US
UK clueless adj: informal (hopeless, incapable)
SC 无能的 wú néng de
TC 無能的
TC 無能的
It's no use expecting him to help - he's completely clueless.
clueless about [sth] adj + prep: informal (uninformed)
SC 一无所知的
Don't ask me! I'm clueless about babies!
clueless as to [sth] adj: informal (not knowing [sth])
SC 无知的，什么都不知道的 wú zhī de ，shén me dōu bù zhī dào de
TC 無知的
TC 無知的
I'm clueless as to what to do next.
我对接下去要做什么一无所知。