He lived out his days alone.

　　他獨自度過(guò)余生。

　　Lions sometimes hunt alone.

　　獅子有時(shí)單獨獵食。

　　He dines alone most nights.

　　大多數晚上他都獨自進(jìn)餐。

　　I didn't like being alone at home.

　　我不喜歡獨自在家。