Correct

彻查

/ chèchá /
Strokes

Definition

to investigate thoroughly

Example

As a Verb

make/conduct/launch a thorough/an exhaustive investigation (into/of sth); investigate thoroughly

1
ying
答应
chèchá
彻查
zhè
shòuhuìàn
受贿案
  

He has promised a thorough investigation into the bribe-taking case.

2
Chèchá
彻查
fēi
飞机
shīshì
失事
yuányīn
原因

find out the cause of the air crash