/geɪn ||; gen/verb1 [T] to obtain or win sth, especially sth that you need or want 获得，赢得（尤指需要或想要的东西）: They managed to gain access to secret information. 他们终于把秘密情报弄到手。The country gained its independence ten years ago. 该国十年前获得独立。
2 [T] to gradually get more of sth 渐渐获得更多（某事物）: The train was gaining speed. 火车在加速前进。to gain weight/confidence 体重╱信心增加 [OPP] lose 反义词为 lose
3 [I,T] gain (sth) (by/from sth/doing sth) to get an advantage （从中）得到好处: I've got nothing to gain by staying in this job. 我继续留在这个工作岗位上得不到什么好处。 [OPP] lose 反义词为 lose
gain ground to make progress; to become stronger or more popular 取得进展；变得更强烈或更流行
gain in sth to gradually get more of sth 渐渐获得更多（某事物）:
He's gained in confidence in the past year. 在过去的一年里，他变得更有信心。 gain on sb/sth to get closer to sb/sth that you are trying to catch 逼近（要赶上的人或物）:
I saw the other runners were gaining on me so I increased my pace. 我看到别的赛跑选手离我越来越近，便加快了速度。