I 'm too knackered to go out this evening .

我太累了，今晚不出去了。

I was knackered after the game .

比赛后我都累得散了架了。

The world economy is probably knackered , whatever we might do now .

无论我们现在作何努力，世界经济都很可能积重难返。

I 'm completely knackered I ran all the way !

我累坏了--我是跑着来的！

I was usually too knackered to show up .

通常我都懒得去上。