ab·sti·nent
adjective/ˈæbstɪnənt/
/ˈæbstɪnənt/
(formal)- not allowing yourself something, especially alcoholic drinks, for moral, religious or health reasons
（因道德、宗教或健康原因对酒等）节制的；禁欲的 Word Originlate Middle English: via Old French from Latin abstinent- ‘abstaining’, from the verb abstinere, from ab- ‘from’ + tenere ‘hold’.