take sb . by surprise
It's a Chinese idiom. Pinyin is y ǎ NQ í w ú B è I, which means to take advantage of the enemy's unprepared attack. It's from Sun Tzu Ji pian.
Idiom explanation
Said to take advantage of the enemy's defenseless when the raid.
The origin of Idioms
"Sun Tzu Ji Pian": "attack it unprepared, surprise."
Chinese PinYin : yǎn qí wú bèi
take sb . by surprise
correct evil doings and revert to good deeds. gǎi guò qiān shàn
Pillow the mountain and the sea. zhěn shān jīn hǎi
kill a chicken with a butcher 's big knife. niú dāo gē jī