1、They also get an increased housing allowance, which is untaxed money.
他們還可以得到一份不停增長的住房津貼，而且是免稅的。

2、I have an untaxed expense account.
我有一張免稅的報銷單。

3、Tax-exempt bonds; an untaxed expense account.
免稅的債券；免稅的報銷單。

untaxed翻譯