find it hard to vindicate oneself
It's hard to tell when you have a mouth. Chinese idiom, Pinyin is y ǒ UK ǒ UN á NF ē n, which means it's hard to distinguish when you have a mouth and it's hard to distinguish when you describe it clearly. It's from killing dogs and persuading husbands.
Idiom explanation
Divide: distinguish.
The origin of Idioms
The first fold of Xiao Dexiang's killing a dog and persuading a husband in Yuan Dynasty: "it's hard for me to keep my mouth straight. There's no way to push."
Idiom usage
Serial verb; predicate, object; derogatory. At this point, it's really hard for me to separate my words!
find it hard to vindicate oneself
turn all the previous labour to nothing - qián gōng jìn fèi
give up the evil and follow the good - juān cán qù shā
One generation is worse than another - yī dài bù rú yī dài