成语名称:乐此不倦:never to be bored with it英语: never to be bored with it成语近义: 乐此不疲(lè cǐ bù pí):乐:喜爱;爱好;疲:疲倦。乐于做某事;沉浸其中;不觉疲倦。形容对...