1) a big time：尽兴，高兴的时刻
e.g. We had a big time there.
the big time：第一流，最高级
e.g. He is in the big time now.
2) according to：按照，根据
e.g. They are supposed to be criticized according to their work.
e.g. The thermometer rises or falls according as the air is hot or cold.
3) admit to：承认
e.g. I have to admit to a dislike for modern art.
admit somebody (in) to：允许某人进入某地或加入某组织、行业
e.g. We have admitted you into our organisation.
4) all for：完全赞成
e.g. I am all for call the police to deal with it.
e.g. They could not open the case for all their forces.
5) all in all：总的说来
e.g. All in all, it is a failure.
e.g. He was all in, but he worked it out.
6) as it is (was)：照目前的情况来看
e.g. As it is, we shall be able to finish our job in time.
as it were：可以说，姑且这样说
e.g. He is, as it were, a walking dictionary.
7) as much as：几乎，实际上
e.g. By keeping silence, he as much as admitted that he had known truth.
e.g. It is as much our responsibility as yours.
8) as well：也，还是……为好
e.g. He gave me advice, and money as well.
Since you have begun to do it, you may as well finish it.
as well as：不仅……而且，除……之外
e.g. With television, we see a picture as well as hearing sound.
Small towns as well as big cities are being rapidly industrialized.
9) at one time：从前某个时期
e.g. At one time, we talked frequently.
at a time：每次，一次
e.g. You can’t borrow more than five books at a time.
10) attach to：属于，归因于
e.g. No blame attaches to them.
attach oneself to：参加，加入
e.g. He attached himself to the group of riders.