witless
adjective disapproving uk/ˈwɪt.ləs/ us/ˈwɪt.ləs/
愚蠢的，没脑子的
stupid or showing no intelligence
In the book, Anna is forced to take care of her witless cousin. 这本书中，安被迫照顾她没脑子的侄子。
See also: wit (INTELLIGENCE)
scare/frighten someone witless 把（某人）吓坏;吓得（某人）灵魂出窍
to frighten someone very much
She was scared witless of Robert, and I wondered why. 她把罗伯特吓坏了，我想知道为什么。