榆木疙瘩 yú mù gē da 🔊 knot on an elm tree (idiom) + Keep this word Meanings yú mù gē da (lit.) knot on an elm tree (idiom)(fig.) blockhead; dunce Its characters 榆yúelm木mùtree疙gēused in 疙瘩[ge1 da5] and 疙疸[ge1 da5]瘩dasore