Read Edit View history 榆木脑壳 yúmùnǎoké blockhead Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 榆木脑壳/ 榆木腦殼 yúmùnǎoké blockhead a blockhead; a thickheaded person 他就是个榆木脑壳，怎么教都教不会。 Edit Delete References Add reference No references for this word.