Old English glæd (originally in the sense 'bright, shining'), of Germanic origin; related to Old Norse glathr 'bright, joyous' and German glatt 'smooth', also to Latin glaber 'smooth, hairless'1920s: abbreviation
glad you are here; glad that they succeeded; gave a glad shout; a glad smile; heard the glad news; a glad occasion. 很高兴你在这儿;很高兴他们成功了;发出欢呼;喜悦的微笑;听到喜悦的消息;喜悦的时候。