" Sit down, Sylvia! It's like you have ants in your pants" ! they might say.

" 坐下来，西尔维娅！你现在就像你裤子里有蚂蚁一样" ！他们可能会这样说。

So, the expression to have ants in your pants means you cannot sit still.

所以，to have ants in your pants这个表达的意思是你不能安静地坐着。

If you get ants in your pants, you may move or dance around to get them out.

如果你裤子里有蚂蚁，你可能会四处走动或转圈跳一跳来把它们弄出来。

You would also not want to have ants in your pants. That is, to be restless and unable to sit still.

你也不想have ants in your pants(坐立不安)，就是不安分坐不下来。