All those years, vanished beyond recall, seemed utterly wasted.这些年的光阴已逝，无法挽回，恰似虚度。The events of the past few days seemed like a bad dream.前几天发生的事恰似一场噩梦。It is as though instead of a dog wagging its tail the tail should wag the dog.这情况恰似尾巴倒过来摇狗而不是狗摇尾巴了。