I can't do it
Chinese idiom, Pinyin is d ǎ or è Nb ù Xu á n, meaning not to return in danger. It comes from Sun Bin's art of War: the good man.
Idiom explanation
Step: step; blade: blade; spin: whirl. Face danger without returning.
The origin of Idioms
Sun Bin's art of war, the good man: "so when people see it, they don't retreat, and they don't turn their heels when they walk on a white blade."
Idiom usage
Used as a predicate or attributive.
I can't do it
a wealthy , influential but modest person - chí yíng bǎo tài
be jealous of the good and envious of the strong - jí xián dù néng
lofty mountains and high ranges - chóng shān fù lǐng