eat vegetables but freely use abusive language
As a Chinese idiom, Pinyin is s ù K ǒ um à R é n, which means swearing at people with a vegetarian tongue and comparing hypocrisy. It's from "what we see in Donggu · Ru Su" by Li Zhiyan of Song Dynasty.
Idiom usage
To act as a predicate, attribute, or object
The origin of Idioms
Li Zhiyan of the Song Dynasty wrote "Ru Su" in the East Valley: "the old saying is very good: it's better to recite Buddhism with meat than to curse people with meat."
Idiom explanation
Curse people with a vegetarian tongue. It's a metaphor for hypocrisy.
eat vegetables but freely use abusive language
Looking to the East, you can't see the west wall - dōng xiàng ér wàng ,bù jiàn xī qiáng