have not a brain in one's head

brain的翻译中文意思... ... dash sb.'s brains out (用枪、石等)把某人打得脑浆迸裂 have not a brain in one's head 没有头脑 ...

...当然地行事，往往会铸成大错，被人骂成“猪脑子”、“没有脑子”（have not a brain in one's head），于人于己皆不利。