I have no idea what to do
Chinese idiom, Pinyin is w ú J à Su à n à I, which means it can't be applied. It's from fisherman's pride.
The origin of Idioms
Yujiaao, written by Ouyang Xiu of Song Dynasty, said: "worry about leaning on the painting building, no plan, red floating outside the autumn pond."
Idiom usage
As a predicate, attribute, adverbial; used in dealing with affairs
I have no idea what to do
continue to study even in old age - bái shǒu qióng jīng
orchestral music with rapid and rich rhythm - jí guǎn fán xián