Definition: to gradually becomes quieter or less in amount Level: C2
他的声音逐渐减弱，我们听不到其余部分。
His voice ___trailed ___off weakly, and we couldn't hear the rest.
弗雷德的声音逐渐减弱，因为他感到腿软。
Fred's voice ___trailed ___off as he felt his legs give way.
表演者离开后，掌声逐渐减弱。
The applause ___trailed ___off after the performer left the stage.
