a piece taken from a plant and joined to a cut made in another plant so that it can grow there （植物）嫁接物
2
U AMERICAN informal dishonest or illegal activities in politics or business that involve giving people money or advantages in exchange for their help or support 贿赂；行贿
3
U BRITISH informal effort needed for doing hard work 艰苦的努力
hard graft The job was finished on time, thanks to the sheer hard graft of those involved. 工作按时完成了，多亏了那些参与者们的艰苦努力。