钳住

钳住	qián zhù	to clamp down; to suppress
钳	qián	pincers / pliers / tongs / claw (of animal) / to grasp with pincers / to pinch / to clamp / to restrain / to restrict / to gag
住	zhù	to live / to dwell / to stay / to reside / to stop / (suffix indicating firmness, steadiness, or coming to a halt)