gab
n. 1 continuous, esp trivial, chatter （不断的）闲谈, 聊天（尤指琐事）: Stop your gab! 别闲聊了! 2 (idm 习语) the gift of the gab => gift.
v. chatter about unimportant things 闲谈; 聊天: They've been gabbing (away) on the phone for nearly an hour. 他们通过电话聊天已经快一小时了.
gabble
n [U] fast unintelligible speech 急促而含糊的话: He speaks at such a gabble! 他说话叽哩咕噜的!
gaggle
n 1 flock (of geese) （鹅）群. 2 (fig 比喻) group of noisy or talkative people 一群（喧哗或多话的人）: a gaggle of tourists, schoolchildren, etc 一群喧闹的游客, 小学生等.
gaiety
n [U] merriment; cheerfulness; being gay(2) 快乐; 欢乐; 愉快: The colourful flags added to the gaiety of the occasion. 彩旗给这次盛会增添了欢乐的气氛. Cf 参看 gayness (gay).
gaily
=> gay.
gain
n 1 [U] increase in wealth; profit; advantage 财富的增加; 利润; 利益: One man's loss is another man's gain. 一人之失即是他人之得. * We hope for some gain from our investment. 我们希望投资有利可图. 2 [C] increase in amount or power; improvement 数量或力量的增加; 增进: a gain in weight of two pounds 体重增加两磅 * Heavy gains were recorded on the Stock Exchange today. 今日股票价格大幅上升.
gainful
adj [usu attrib 通常作定语] profitable; bringing wealth 有利益的; 带来财富的: gainful employment 有报酬的工作. gainfully adv profitably; usefully 有利益地; 有用地.
gala
n, social, sporting or theatrical occasion with special features （社交、 体育、 戏剧等的）特别场合, 盛会: a swimming gala 游泳运动会 * [attrib 作定语] a gala dinner, night, performance 联欢宴会、 晚会、 演出会.
gambol
n. act of gambolling 跳跃; 蹦跳.
参考资料：牛津大学英语词典