by surprise
Unexpected, Chinese idiom, Pinyin is ch ū Q í B ù y ú, meaning unexpected, refers to unexpected action. From Duan yongzhuan, the book of Zhou.
source
Duan yongzhuan in the book of Zhou: "if the stars are flying fast, you will be able to ride five hundred skillfully and be self-sufficient."
usage
As predicate, attributive, adverbial; with "surprise".
Chinese PinYin : chū qí bù yú
by surprise
Deep mapping and remote calculation. shēn tú yuǎn suàn
The dike of a thousand miles is broken in the ant nest. qiān lǐ zhī dī,kuì yú yǐ xuè