He won't drink because he's teetotal.
他不肯喝酒,因为他是滴酒不沾的.
《简明英汉词典》
He will not be having a celebratory drink, as he is teetotal.
他滴酒不沾，不会喝庆功酒的。
辞典例句
No thank you; I happen to be teetotal.
谢谢,不用了; 我正好不喝酒.
互联网
Similarly, the IQ of women drinkers showed an improvement of 2.5 points over their teetotal sisters.
同样, 饮酒的妇女智商比那些完全不喝酒的妇女要高2.5个百分点.
互联网