揭发 (jiē fā): to expose; to bring to light; to disclose; revelation

Xiao Wang discovered that a colleague had secretly transferred company money into his own account, and he decided to expose this to the manager.

The reporter received an anonymous tip and, after investigation, exposed the factory's pollution of the river in the newspaper.

The neighbors were all afraid of the gang leader, but Aunt Zhang bravely stepped forward and exposed his crimes of threatening local businesses.

In court, the witness exposed how the defendant forged documents to fraudulently obtain insurance money.

The school encourages students to expose cheating on exams, but they must provide genuine evidence.