find fault with
Chinese idiom, Pinyin is d ǐ Xi á D ǎ ox ì, which means to attack someone's weakness or mistake. It comes from answering questions by Liu Zongyuan of Tang Dynasty.
Idiom explanation
Criticize and attack others for their weaknesses and shortcomings.
The origin of Idioms
In answer to questions written by Liu Zongyuan of Tang Dynasty, it is said that "the servant is shallow and narrow, jumping and floating to overcome the shortcomings."
Idiom explanation
Gap: crack, gap. To attack someone's weakness or mistake.
find fault with
it takes a hundred years to educate the people - bǎi nián shù rén
build up a nation and make it stable - lì guó ān bāng
an army fighting for a just cause has high morale - shī zhí wéi zhuàng