drinking alcohol
「飲酒」 has another reading with different meanings.
consumption of alcohol (as prohibited by one of the Buddhist precepts)
飲酒運転は厳しく禁じられている。
Drinking and driving is strictly prohibited.
彼は一滴も飲酒しない。
He doesn't drink at all.
未成年の飲酒を防ぐための対策が求められる。
Measures to prevent underage drinking are needed.