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。

" 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。

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。