英语语法分析

You have to keep encouraging them and checking on them. Just like Danny, for some children, getting them to go to school is the toughest thing.

你要一直鼓励他们并检查督促他们。就像丹尼一样，对一些孩子而言，让他们坚持上学是最难的事情。

As time passed and work with their respective first clients became more and more difficult, John and Sue realized that they had been assigned two of the toughest clients in town.

随着时间的流逝，和他们各自的第一批客户一起工作变得越来越困难，约翰和苏意识到他们被分配给了镇上两个最难对付的客户。

He faces the toughest test of his leadership so far.

他面临迄今为止对自己的领导工作最严峻的考验。

《牛津词典》