to absolve sb of sth or to absolve sb from sth
+ responsibility, blame, sin, promise免除某人的…
A police investigation yesterday absolved the police of all blame in the incident.警方昨天的调查廓清了警方在此事件中的任何责任。
The two pilots who crashed the helicopter cannot be absolved from blame.导致直升机坠机的两名飞行员无法免除事故责任。