experts

• Assignment desk editors are logistics experts .
  调遣部的编辑是一些后勤专家。
• He consulted american experts on north africa .
  他请教过美国的北非问题专家。
• I am something of an expert on antiques .
  我对古董略有研究。
• They seemed expert in such matters .
  看来在应付这一类事情方面他们是很内行的。
• Wasn't your father an expert mountain climber ?
  你父亲不是一位老练的登山家吗？
• It is a problem that beats even the experts .
  它是一个连行家也感到棘手的问题。
• She poses as an expert in old coins .
  她自诩为古钱币专家。
• The expert attested to the genuineness of the document .
  专家证明该文件系真品。
• Rex soon became an expert at opening the gate .
  雷克斯很快就成了一个开门能手了。
• Fine．i'm no expert on wines .
  好极啦。我对酒不是内行。