old hand
US /oʊld hænd/
UK /oʊld hænd/
1.
老手, 經驗豐富的人
a person with a lot of experience in a particular area or activity
:
•
He's an old hand at negotiating contracts, so we trust his judgment.
他是談判合同的老手，所以我們相信他的判斷。
•
She's an old hand at gardening and can tell you exactly what to do.
她是園藝老手，能準確告訴你該怎麼做。