find it hard to vindicate oneself
It's hard to say if you have a mouth. In Chinese idioms, Pinyin is y à UK à UN á NBI à n, which means that although you have a mouth, it's hard to distinguish clearly. It is often used to refer to those who are wronged but have no place to appeal. From Yu Shi Ming Yan by Feng Menglong of Ming Dynasty.
The origin of Idioms
In Yu Shi Ming Yan by Feng Menglong of Ming Dynasty, it is said that "Madame Meng has difficulty in arguing, but she is entangled by him, so it is not easy to leave."
Idiom usage
It can be used as predicate, object and attribute. The evidence is solid and the evidence is hard. He was arrested and sentenced to 15 years' imprisonment. The song of righteousness by Zhang Shushen
Analysis of Idioms
It's hard to say what you have to say and what you have to say
find it hard to vindicate oneself
Never tire of eating, never tire of eating - shí bù yàn jīng,kuài bù yàn xì
roll up one 's sleeves and raise one 's fists to fight - xuān quán luó xiù