have found a clue to sth.
It can be seen that the Chinese idiom, Pinyin is Du ā NN í K ě ch á, which means that things can be seen. From the great master of Zhuangzi.
The origin of Idioms
The great master of Zhuangzi: "repeated all the time, no clue."
Idiom usage
Used as a predicate, attribute, etc.
have found a clue to sth.
be so pleased that one does not know what to do - wú kě bù kě
have an uninterrupted career of advancement - gān tóu rí shàng
be brilliant enough to reflect one 's image - guāng kě jiàn rén
fold one 's hands upon one 's forehead - yǐ shǒu jiā é
broadening one 's intellectual horizon and keeping within the bounds of propriety - bó wén yuè lǐ