①It's bad manners to stare at people./②It's impolite to stare at others都可.
一般语气严肃,能起到警戒作用的,多用：It's bad manners to stare at people.
瞪着眼睛,常用短语：stare at
①It's bad manners to stare at people./②It's impolite to stare at others都可.
一般语气严肃,能起到警戒作用的,多用：It's bad manners to stare at people.
瞪着眼睛,常用短语：stare at