多此一举 (duō cǐ yī jǔ) | Meaning: to do more than is required (idiom); superfluous | Chinese Idiom with Pinyin & Origin

lit. draw legs on a snake (idiom); fig. to ruin the effect by adding sth superfluous · to overdo it画蛇添足huà shé tiān zú

superfluous · unnecessary · surplus多余duō yú

to overreach oneself · to try to be clever and end up with egg on one's face弄巧成拙nòng qiǎo chéng zhuō

(idiom) to ask a question, already knowing the answer明知故问míng zhī gù wèn

to do more than is required (idiom); superfluous · gilding the lily