This is the 5722nd most frequent Chinese word.
反革命
"反革命" means "counter-revolutionary."
In this sentence, '反革命' is used as a noun to describe an individual who opposes revolutionary ideology or movements.
他被指控为反革命分子。
He was accused of being a counter-revolutionary.
Here, '反革命' is an adjective that describes activities opposing the revolution or governmental stability.
反革命活动威胁到国家安全。
Counter-revolutionary activities threaten national security.
In this context, '反革命' functions as part of a descriptive term for actions opposing the established order or revolution.