Correct

打假

/ dá jiǎ /
Strokes

Definition

to fight counterfeiting/to expose as false/to denounce sb's lies

Example

As a Verb

crack down on counterfeits

1
jiǎ
打假
yùndòng
运动

campaign (to crack down) on fakes

2
jiǎ
打假
huódòng
活动

anti-fakery activity

3
jiǎbàn
打假办
  
(
gōngshì
公室
  
)

anti-fraud office