hào xué jìn hu zhī , lì xíng jìn hu rén , zhī chǐ jìn hu yǒng
to love learning is akin to knowledge, to study diligently is akin to benevolence, to know shame is akin to courage (Confucius)
jìn hū tóng bù shù wèi jiē céng
plesiochronous digital hierarchy
PDH
tào jìn hū
to worm one's way into being friends with sb (usually derogatory)