Subtle and subtle
It describes sharp eyes, deep and thorough observation.
Idioms and allusions
It comes from Ma Jianzhong's book on Li boxianyan's going abroad for work in Qing Dynasty: "it is said that those who are able to understand things in a subtle and concise way can be compared with those who are not merely drilling paper."
Discrimination of words
[pinyin code]: dyzw synonym: dongyouzhuwei used as predicate and attribute; refers to sharp eyes
Chinese PinYin : dòng yǐn zhú wēi
Subtle and subtle
fail to keep proper separation of the sexes in upper-class families. wéi bó bù xiū
Save the time by changing the customs. kuāng sú jì shí
get half the results with double the effort. lì bèi gōng bàn