He keeps away from liquor and tobacco.

他不酒, 不抽烟。

It was once thought unmanly not to drink and smoke.

身为男子不抽烟不酒曾视为无男子气概。

According to research, non-drinkers are more likely to develop the winter snuffles than moderate drinkers.

据研究,不酒的人比适度酒的人冬天更容易感冒。

He never smokes or drinks.

他从不吸烟，也不酒。