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501 in case
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in case常引起一个状语从句,表示“以防(发生某种情况)”:
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Take warm clothes in case the weather is cold.带些暖和衣裳,以防天气转凉。
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Take your raincoat in case it rains.带着雨衣,以防下雨。
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I shall sit up for a time, in case I am wanted.我暂时不睡,以防需要我。
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有时中间的谓语由should构成,强调偶然性,可译为“万一”:
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I wrote down her address in case I should forget it.我写下了她的地址,以防万一我忘掉。
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I’ve bought a chicken in case your mother should stay for lunch.我买了一只鸡,以防万一你母亲会留下吃午饭。
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美国有时用它引起条件从句,表示“如果”、“万一”:
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In case he arrives before I get back, please ask him to wait.如果他来时我还没回来,请你让他等一等。
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In case I forget, please remind me about it.万一我忘了,请提醒我。
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有时后面从句省略,表示“以防有什么情况”:
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Better take an umbrella in case.最好带把伞,以防下雨。
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The bus is usually on time, but start early, just in case.公共汽车一般是准时的,但还是早一点儿走好,以防有什么情况。
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in case还可和of连用,后面跟名词,表示“在(发生……)时”:
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Better keep a little for the night in case of need.最好留点儿晚上用,以防有什么需要。
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The wall was built along the river in case of floods.沿江筑了堤以防有洪水。
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In case of fire, ring the bell.如发生火灾,可以按铃。
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In case of need I can make a trip to Brussels.如果需要,我可去布鲁塞尔一趟。
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502 indicate—show—signify
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这三个词有近似之处,也有不同的意思。
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在表示“表明”、“说明”时,indicate和show都可以用:
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Fever indicates illness.发烧表明生病。
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The black clouds indicate that it will rain soon.乌云说明不久会下雨。
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