over again

1.

He did the work so badly that I had to do it all over again myself.

他干的太差劲了，我只好亲自重做。

2.

We must talk the matter over again.

我们必须再讨论这件事。

3.

If I had to live my life over again, I wouldn't choose to spend it in a cold climate.

假如我能重新从头生活，我宁愿在寒冷的环境中生活。

4.

She had screwed up and had to do it all over again.

她把事情搞坏了，得重新做过。

5.

One error might make it necessary to pull the whole thing apart and start over again.

只要出一点差错，就可能要全部拆卸，重新装配。