文档介绍：一、作形容词
1. worth 作形容词，意为“值（多少钱）”、“相当于……的价值”或“值得”等。其后通常接表示钱数的名词或相当于“代价”的比喻性名词。例如
It was worth five hundred francs at most.
It’s worth the time and effort we devoted to it.
How much is the picture worth？
It is worth twice the money we paid for it.
2. be worth 后还可接动词的 -ing 形式，意为“值得做”，应使用主动结构表示被动意义。 be worth 不能接不定式。例如：
I think the film is worth seeing twice.
不说I think the film is worth being seen twice.
I think the film is worth to see.
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该结构中的主语与动词之间为逻辑的动宾关系，故只能使用及物动词或相当于及物动词的词组。例如：
　　His speech is worth listening. （错）
　　His speech is worth listening to. （正）
　　His plan is not worth thinking. （错）
　　His speech is not worth considering/ thinking about. （正）
　二、作名词
　　作名词时，意为“价值，值……钱（的东西）”。例如：
　　What is the worth of the old painting？
这张旧油画值多少钱？
三、构成的词组
　 worth 的常用词组有：
　　1. be worth it 值得（这样做）
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Well，it was a hard climb，but the view from the top is worth it.
　2. for all one is worth 拼命地
　　When the boat sank，he swam towards the shore for all he was worth.
　　船沉没后，他拼命地游向岸边。
　3. worth the name 名副其实的，合格的
　　Any art student worth the name would tell you that that is a bad painting.
　　任何名副其实的艺术系的学生都会告诉你，那是一幅很糟的油画。
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4. get one’s money’s worth （钱）花得值，合得来，过得满意
　　You will get your money’s worth if you go to Paris for holiday.
　　如果你去巴黎度假，一定（让你觉得）值。
worth，worthy，worth-while都为adj.　意为"值得"。
1. worth： be worth + n.　当名词为金钱时，表示"…… 值得……"
　be worth do