Correct

察访

/ cháfǎng / 
Strokes

Definition

to make an investigative visit/to go and find out from the source

Example

As a Verb

investigate by visiting the sources of information; make a trip of investigation; go about and find out

1
Wèile
为了
liǎojiě
了解
zhēnxiàng
真相
  
,
zhēntàn
侦探
duōcì
多次
jìnxíng
进行
le
了
ànzhōng
暗中
cháfǎng
察访
  
。

The detective conducted many secret investigations to ferret out the truth.

2
Shídì
实地
cháfǎng
察访

make an on-the-spot investigation

3
Chá
察
fǎng
访
mínqíng
民情

obtain the firsthand information on the condition of the people