dimmed

v. (使) 变暗淡，变微弱，变昏暗; (使) 减弱，变淡漠，失去光泽;

原型： dim dim的过去分词和过去式;

[例]The house lights dimmed, flickered and went out.

观众席的灯光暗了下来，闪了几下，然后就熄灭了。