榆木腦袋 Save Sign in to save words Simplified: 榆木脑袋 yúmùnǎodai ㄩˊ ㄇㄨˋ ㄋㄠˇ ˙ㄉㄞ thickhead coll. thick skull (i.e. the brain of a thickhead) coll. Character by character 榆(yú)elm 木(mù)surname Mu 腦(nǎo)brain 袋(dai)pouch A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0