英语高手进!帮我把这段文字翻译成英语好吗?急他终于钓上了一条大马林鱼,但是这条鱼实在太大,把他的小船在海上拖了三天才筋疲力尽,被他杀死了绑在一边,在归程中一再遭到鲨鱼的袭击,最后回港时只剩鱼头鱼尾和一条脊骨．语言尽量简练,适合初中的语言．

at last , a big marlin swallowed the bait , but, the fish is so big that it dragged his boat for three days before it's totally exhausted.
then,he killed it and trussed it up to the boat side.
whereas, the shark attack, during his way home , leave him nothing but the head 、tail and chine of the fish when he arrived the harbor.
查了金山词霸。。有几个词不知道用的是不是准确。

老人与海...自己找原文啦.下面的将就用
He finally catched a big marlin, but the fish is so big that dragged his boat at sea for three days and then fatigued. He killed it and tied it on one side and on the trip home he was repeated attacked by sharks. When finally returned to the quay, he found only the head,tail and spine left.

He has finally got the big malin fish,but the fish was too big that pulled his boad for 3 days and exhausted.The fish was killed and tied up on the side.On the way back it's always attacted by sharks....

He snared to ascend a big marlin finally, but this fish is really too big, dragging along his boat's on the water three genius utterly exhausteds, was killed by him to bind at part, is assaulted by shark again and again in return the distance, remain a fish head fish tail and a spine just while returning to harbor finally.