The cook was an expert at making sauces.那位厨师是调制味汁的能手。
My uncle is an expert in repairing radios.我叔叔在修收音机方面是能手。
This report would be intelligible only to an expert in computing.只有计算专家才能看懂这份报告。
He posed as an expert on old coins.他装作是个古钱币专家。
She used to be an expert with the needle.她过去善于做针线活。

expert, specialist
这二者均可表示“专家”。expert多指从实践中获得特殊技能的专家; 而specialist多指专门从事某一专业的专家。

用作定语
▲～+n.
 To her expert eye, the painting was terrible.以她内行的眼光看,这幅画糟透了。
用作表语
▲S+be+～+prep.-phrase
 He is expert at driving.他擅长驾驶。
He is expert in designing lathes.他对设计车床很内行。

expert, clever, ingenious, proficient, skilled
参见ingenious条。

expert, skilful
参见skilful条。

［同义词］ n. authority, specialist adj. proficient, skillful
［反义词］ adj. incompetent, unskilled
［词源］＜拉丁语expertus(以经验而著名者)