right-hand man
Longman Dictionary of Contemporary English 5++LDOCE 5++ˌright-hand ˈman noun [singular] HELPthe person who supports and helps you the most, especially in your job 〔尤指工作中的〕得力助手，左右手 John is Bill’s right-hand man and has put a lot of time into the team. 约翰是比尔的得力助手，为这个团队的工作投入了大量的时间。
Examples from the Corpus
right-hand man• His former Sunderland boss has yet to appoint a right-hand man at Bristol City.• Flynn was the nearest John had to a right-hand man.• Lord Tebbit, former Tory party chairman and right-hand man to Baroness Thatcher, is backing the plan.• Pallid and balding, Vladimiro Montesinos, 56, was Fujimori's intelligence chief and right-hand man.• Sammy Williams was my trusted lieutenant, my right-hand man.• Though himself the king's cousin, Nithard had another patron too, the king's right-hand man, the seneschal Adalard.• Next door to us lived Geoffrey Hamm, Mosley's right-hand man in the area.From Longman Business Dictionaryright-hand manˌright-hand ˈman noun [singular] the person who supports and helps you most in your jobHe was my right-hand man for 10 years.ˌright-hand ˈman nounChineseSyllable
who supports you most, the in especially person Business Corpus and helps the
right-hand man
ˌright-hand ˈman
noun [singular]
the person who supports and helps you the most, especially in your job:
John is Bill’s right-hand man and has put a lot of time into the team.
ˌright-hand ˈman
noun [singular]the person who supports and helps you the most, especially in your job: