以先后顺序为准。

First come, first served. *“按到达的先后顺序”、“按报名顺序”，直译是“第一个来的，第一个得到供应”。

Do you take reservations? (你预订了吗?)

No, first come, first served. (没有，先来的先得。)

On a first-come, first-served basis.

过时了。

It’s out of date.

Look at my camera. (你看我的照相机。)

But it’s out of date already. (可它都过时了。)

It’s old-fashioned.

It’s outdated.

It’s behind the times.

电视有长处，也有短处。

TV has its merits and demerits.

TV has its good and bad points.

There are good and bad points about TV.

我利用了他的弱点。

I took advantage of his weakness. *take advantage of...“利用……”。