I am lonely and I am hurting.

　　我很孤獨，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，感到孤獨而沮喪。

　　He dines alone most nights.

　　大多數(shù)晚上他都獨自進餐。

　　I didn't like being alone at home.

　　我不喜歡獨自在家。

　　He felt unsafe and alone.

　　他感到又危險又孤單。