(1)at home带有一种感情色彩，使用比较广泛，是泛指，可以独立成文，介词后面不能再加其它限定词。She educated her younger daughter at home。她在自己家里教育她的小女儿。You&#39；ll never see life if you stay at home forever。如果你一直呆在家里，就永远不会有生活经验。Come in and make yourself at home。请进，别客气。He was at home just now。他刚才在家。Please make yourself at home。请别客气。He is at home。他在家里。