1.use to 过去常常

例句:The contents of this booklet should be of use to all students.
这本小册子的内容应该会对所有的学生都有用处。

2.admit to 承认；许可

例句:In America, people don'tnormally admit to the hardness of life.
在美国，人们通常不承认生活过得艰苦。

3.no longer 不再，已不

例句:I no longer have any objection to your going to see her.
我不会再因为你去见她而不高兴。

4.spend on 把…花在…

例句:They will then have more money to spend on other things.
这样他们就可以有更多的钱花在其他地方。