Bad at martial arts
Chinese idiom, Pinyin is w ǔ B ù sh à nzuॸ, which means you can't be polite even if you use force. From journey to the West.
Idiom usage
Deng Jiugong and Chu Yiguan took off their hats, threw off their overcoats, braided their hair, tightened their waists on their short clothes, and called four people to come in and tie the rope. The 17th chapter of heroes and heroines
The origin of Idioms
"Journey to the west" chapter 63: "as the saying goes:" martial arts are not good at work ", but I'm afraid that I can't be merciful at the beginning, which will hurt your life for a moment."
Bad at martial arts
respecting the old and being kind to the young - jìng lǎo cí zhì