I am lonely and I am hurting.

　　我很孤獨(dú)，也很痛苦。

　　She lives alone and often feels lonely.

　　她孑然一身，常感到寂寞。

　　He trudged home feeling lonely and let down.

　　他步履艱難地往家走，感到孤獨(dú)而沮喪。

　　He dines alone most nights.

　　大多數(shù)晚上他都獨(dú)自進(jìn)餐。

　　I didn't like being alone at home.

　　我不喜歡獨(dú)自在家。

　　He felt unsafe and alone.

　　他感到又危險(xiǎn)又孤單。