1. 假牙師一種牙科技術(shù)師，其專長在于制造和安裝假牙，他可以直接為公眾服務(wù)，而不必通過有執(zhí)照的牙科醫(yī)生
   A dental technician specializing in making and fitting dentures as a direct service to the public rather than through a licensed dentist.
2. 他的專長是日本歷史。
   His specialty is Japanese history.
3. 她把與顧客討價還價看作自己的專長。
   She regards negotiating prices with customers as her special preserve.
4. 可別問我怎麼攤雞蛋，烹飪不是我的專長。
   Don't ask me how to make an omelette; cooking isn't my metier.

專的英語翻譯：

長的英語翻譯：