他专攻刑法。He specialized in criminal law.他专攻古典文学, 旁及历史.He studies classical literature , but also takes an interest in history.我将专攻地理学.I shall confine myself to the subject of geography....
They overcharged me 10 dollars for the meal.那顿饭他们向我多索取十元.She claims she was overcharged by £1,000.她称自己被多收了1,000英镑。If you feel a taxi driver has overcharged you, say so.如果你觉得出租车司机敲了你的竹杠，就说出来。If you feel a taxi driver has ...