Correct

追查

/ zhuīchá / 
Strokes

Definition

to try to find out/to trace/to track down

Example

As a Verb

investigate; trace; find out

1
Zhuīchá
追查
yáoyán
谣言
de
的
láiyuán
来源

run a rumour back to its source

2
Zhuīchá
追查
mǒushì
某事
de
的
gēnyuán
根源

trace a matter to its origin

3
Zhuīchá
追查
chēhuò
车祸
de
的
qǐyīn
起因

investigate the cause of a car accident