A bird knows a swan's ambition
explain
Idiom: the swallow knows the ambition of the swan; Pinyin: y à nqu è à nzh à h ó NGH ú zh à. It means that vulgar people can't understand the ambition of ambitious people.
source
In the Western Han Dynasty, Sima Qian's "records of the historian · Chen she's family": "Ho Ho, the sparrow knows the ambition of the swan!"
A bird knows a swan's ambition
mountain food and wild vegetables - shān yáo yě sù
do good but regard as ill will - wéi hǎo chéng qiàn