① 表示“一半”,要說(shuō)half of the/a…?!癶alf the/a month”為“half of the/a month”的省略形式。當(dāng)half作形容詞用時(shí),冠詞應(yīng)放在half與名詞之間。如:
half the year 半年
half the time 一半時(shí)間
half the eggs 一半雞蛋
half an hour 半小時(shí)
half a day 半天
half a mile 半里路
half a glass of beer 半杯啤酒
② 但是,“半年”也可說(shuō)成six months,“半個(gè)月”也可說(shuō)成fifteen days或two weeks,“半個(gè)小時(shí)”可以說(shuō)成thirty minutes,“一個(gè)半小時(shí)”可以說(shuō)成an hour and a half或one and a half hours,“兩個(gè)半小時(shí)”則是two hours and a half或two and a half hours。
提示
half后的介詞of??墒÷?,但名詞前的不定冠詞(a,an)或所有格(his,our…)不可省。
He drank half glass of milk.
He drank half(of)a glass of milk.
他喝了半杯牛奶。
Half(of)his money was stolen. 他一半的錢(qián)被人偷走了。