10 عبارت برای بیان کارشناس بودن در زبان انگلیسی

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از 10 عبارت زیر میتوانیم برای اطلاع رسانی در مورد کارشناس و ماهر بودن کسی در زبان انگلیسی استفاده کنیم :  

 


  • He knows all about photgraphy.
  • He's a camera expert.
  • He's an expert on digital cameras.
  • There's nothing he doesn't know about X
  • He knows photography inside out.
  • You wouldn't believe what he knows about X
  • He's a walking encyclopaedia of X
  • Photography's his subject.
  • He knows it from A - Z.
  • He's an authority on digital cameras.