Go against the trend
The Chinese idiom "n ì D à olu à NCH á ng" in pinyin means violating the moral code. From Xie Xiaoe's biography.
The origin of Idioms
In the biography of Xie xiao'e written by Li Gongzuo of Tang Dynasty, it is said that "if xiao'e is enough to watch the world's rebellious heart, he is enough to watch the world's chastity and filial piety."
Idiom usage
What you can't do is against the moral code.
Go against the trend
place open to attack from all directions - sì zhàn zhī guó
be bereaved of a parent or parents - zāo jiā bù zào
Gorgeous as peaches and plums, cold as ice - yàn ruò táo lǐ,lěng ruò bīng shuāng
find it hard to vindicate oneself - yǒu kǒu nán biàn
To shake one's clothes with a bullet - tán guān zhèn yī