a person who helps somebody a lot and who they rely on, especially in an important job 左右手；得力助手 the President’s right-hand man 总统的得力助手 The former newspaper editor became David Cameron's right-hand man in Downing Street. 这位前报纸编辑成为戴维·卡梅伦在唐宁街的得力助手。 He agreed to the deal after consulting his lawyer and right-hand man, Charles Alton. 他与自己的律师兼得力助手查尔斯•奥尔顿商量之后，同意做这笔交易。