Do you have ants in your pants? = Why are you fidgeting so much?

你为什么这么坐立不安？

例子： We were very hungry, so when the food didn't come for a long time, we sat at the table with ants in our pants.

我们都很饿了，所以菜老不上来，我们都有点坐立不安了。

2. Back in the saddle

重上马鞍（重整旗鼓）

I am back in the saddle. = I had a problem but now it is fixed and things are normal now.

我先前有些问题，现在解决了。一切恢复正常。

例子: After my leg heals, it will be nice to be back in the saddle again. I miss playing tennis every Tuesday with Amie and Todd.

我得腿伤好了以后就要卷土重来。这一阵不跟爱米和陶德打网球，真不好受。

3. Ball and chain

铁球铁链，甜蜜的枷（老婆）

I will ask the ball and chain. = I will ask my wife.

我得回去问问我的老婆。

例子：Although would like to go to the party, I am not going because the ball and chain doesn't want to go.

虽然我很想去，但是去不了，因为我的老婆不想去。

*A ball and chain is attached to a prisoner so he cannot move very far.