1.她的獨生女兒在山東大學學法律。
誤:Her only one daughter studies law at Shandong University.
正:Her only daughter studies law at Shandong University.
析:only作形容詞,置于單數名詞之前,意為“惟一的、僅有的”,one是多余的。
2.他們將在一兩天內返回。
誤:They will return in one or two day.
正:They will return in a day or two (或one or two days).
析:in a day or two一兩天內是固定詞組,用a不用one。
3.我已完成了三分之二的工作量。
誤:I have done two-third of the work.
正:I have done two-thirds of the work.
析:分數表達:一般采用“分子(用基數詞)+連字號(可省略)+分母(用序數詞+s,分子是one時不加s)。
4.這些學生是20世紀末出生的。
誤:These students were born at the end of the twenty century.
誤:These students were born at the end of twentieth century.
正:These students were born at the end of the twentieth century.
析:第幾世紀用the+序數詞+century表示。
5.這是一座20層的大樓。
誤:This is a twenty-stories building.
正:This is a twenty-story building.
析:“數詞+連字符+單數名詞”構成復合形容詞。
6.我爸爸曾經去過那兒一兩次。
誤:My father has been there one time or two times.
正:My father has been there once or twice.
析:一次用once,兩次用twice,三次或以上用數詞+times。
7.我們的作業已完成一半。
誤:Our half homework is done.
正:Half our homework is done.
析:half our homework是half of our homework的省略式。
8.這是8號房間。
誤:It is 8 Room.
正:It is Room 8.
析:編號一般用“名詞+基數詞”表示。
9.他們已經學完了前三課。
誤:They have studied the three first lessons.
正:They have studied the first three lessons.
析:序數詞應放在基數詞前。
10.我步行到學校要花一個半小時。
誤:It takes me one and a half hour to get to school on foot.
正:It takes me one and a half hours to get to school on foot.
析:句中的hour要用復數形式。再如:one and a half months一個半月。
11.他們三三兩兩地來了。
誤:They arrived by two and three.
正:They arrived by twos and threes.
析:基數詞可用作可數名詞復數,用于某些固定詞組中。