那个家伙在聚会上表现得像个混蛋，没人愿意理他。

That guy acted like an ___asshole at the party, and nobody wanted to talk to him.

那个健身教练建议在锻炼后彻底清洁肛门以防细菌感染。

The fitness trainer advised thoroughly cleaning your ___anal area after workouts to prevent bacterial infections.