clueless
US /ˈkluː.ləs/
UK /ˈkluː.ləs/
形容词
一窍不通的, 一无所知的
having no knowledge, understanding, or ability
示例:
•
He's completely clueless about how to fix a car.
他对如何修车完全一窍不通。
•
The new manager seems clueless about the company's history.
新经理似乎对公司的历史一无所知。