be exempt from + N 有"免除某種責任或義務"的意思(exempt 為形容詞)所以"免(兵)役"就可以說:be exempt from military service名詞為:exemption from military service
... should not do more than 46 hours of overtime a month, some could be exempted from this if they agree to it. 雖然台灣的勞工法令規定勞工每月不應加班逾46小時...
... besides studying. I am not exempted from this rule, and my extracurricular activity is...upgrade my equipments, such as the bat, from $800 each to $1800 each, and the hitting glove...