很久以前;以前;往昔
Langsyne \Lang`syne"\, adv. & n. [Scot. lang long + syne since.] Long since; long ago. [Scot.]
langsyne n : past times remembered with nostalgia [syn: {auld langsyne}, {old times}, {the good old days}] langsyne adv : at a distant time in the past (chiefly Scottish)