sad because one has no friends or company 孤单的,孤独的 lonely old people whose families do not care for them. 被家人抛弃的孤独老人。 ■without companions; solitary 孤独的 passing long lonely hours looking on to the street. 在街上孤孤单单地度过很长时间。 ■(of a place) unfrequented and remote (地方)人迹罕至的 a lonely stretch of country lane. 人迹罕至的乡村小路。