33.expert，proficient，skilled，skillful這組詞都有 “精通的、熟練的” 之意。

　　expert ：“熟練的”，用于形容技能的卓越或有特殊的才能。

　　The Egyptiane were especially expert in the working of stone.“埃及人特別擅長(zhǎng)于石工技藝。

　　proficient ：“精通的、熟練的’” 指經(jīng)過(guò)訓(xùn)練而能力超群。

　　Students who have passed the EPT ( English Proficiency Test ) are supposed to be proficient in English. “那些通過(guò)EPT考試的學(xué)生對(duì)英語(yǔ)應(yīng)該是相當(dāng)熟練的了。

　　skilled：“熟練的”，指對(duì)某一行業(yè)或某種手藝的全部細(xì)節(jié)非常精通，也指具有某種藝術(shù)或?qū)I(yè)的技巧。

　　Professors，students and skilled employees make a varied assault upon the mysteries of marine biology. 教授、學(xué)生和熟練雇員對(duì)海底生物的奧秘進(jìn)行了各種各樣的探索。

　　skillful：“靈巧的、熟練的”，指在操作或做某事時(shí)靈巧而熟練。

　　Having stayed in China for several years , he is still not very skillful with his chopsticks/at using chopsticks. “盡管在中國(guó)已經(jīng)居住了幾年，他用筷子仍不大熟練。”