例句：

　　He considers himself an expert on the subject.

　　他認為自己是這門(mén)學(xué)科的專(zhuān)家。

　　He earned a reputation as an expert on tax law.

　　他贏(yíng)得了稅法專(zhuān)家的美名。

　　We employ an expert to advise on new technology.

　　我們聘用了一位專(zhuān)家擔任新技術(shù)顧問(wèn)。

　　I don't profess to be an expert in this subject.

　　我不敢自詡為這方面的專(zhuān)家。

　　Harvey cured the pain with his own expert hands.

　　哈維用他那行家之手治愈了那病痛。