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old hand
bridg.constr.	熟手
bridge.	玩牌老手 (at cards)
busin.	熟练工; 内行; 熟练工人
lab.law.	.熟练工人; 熟练人才; 老手
securit.	老练、技术高超的人
tech.	老钻工; 老工人; 熟练工 (人)
old-hand
archit.	熟练工人; 老手

old hand: 2 phrases in 1 subject

Economy

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