To control or restrict someone's speech or actions by force or power; to suppress; also written as [[钳制|鉗制|qian2 zhi4]]

To keep silent; to stop someone from speaking or to gag someone.

To forbid people from speaking freely; specifically refers to the tyrannical policies of the Qin Dynasty where private conversation was suppressed.

the first pair of legs on a crab, shaped like a pair of pincers