He's never been able to read music.
他一向不识乐谱.
The captain was able to bring the ship up just before it hit the little boat.
船长使海轮快要撞到小船的时候停住了.
Child does not have to be able to tie shoes or button in the back.
不必要求小孩儿学系鞋带或结后面的扣子.
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