suppression of knock

例句：

1. 1. The government's suppression of dissent has been widely criticized.
   政府的压制异见行为受到了广泛的批评。
2. 2.The suppression of the virus is crucial for public health.
   病毒的抑制对于公共卫生至关重要。
3. 3. The suppression of free speech is a fundamental right that should not be infringed upon.
   自由言论的压制是基本权利，不应受到侵犯。