1、优质文档优质文档work on/work at1、work on/work atwork on 与 work at 可通用,表示“忙于 ”。但在 work on sth. 中,sth 是 work 的具体对象;而在 work at sth. 中,sth. 只说明所从事工作的性质,即时间、精力用在某一方面的事情上,而不在于说明正在做什么。如:He is working on/ at a novel. 他正在专心写一部小说。They have worked at this subject for many years. 他们从事这项课题的研究已经好多年了。Bob worked hard on or
2、ganizing other singers to sing for him for free.来源:Zxxk.Com鲍勃积极地组织其他歌唱家为他义务演唱。work out 算出;解决来源:学科网Can you work out how much money it will need? 你能算出需多少钱吗?Ive worked out the problem. 我已解决了这个问题。2、take sides(in) 袒护;站在 一边They took the side of their child. 他们袒护自己的孩子。 来源:Zxxk.ComShe has taken sides in the
3、 quarrel. 她参与了争吵。来源: 学#科#网3、worth/worthy两者均是形容词,意思是“值得的”,用法如下:(1)worthy 可以作定语,worth 不能。例如:a worthy rival 值得较量的对手优质文档优质文档(2)worth 后面直接 跟名词(多为表示钱或代价的名词),其作用 相当于介词;worthy 后面接名词时须与 of 连用(一般不接表示钱的名 词)。例如:This second-hand book is worth 100 dollars. 这本旧书值 100 美元。His deed is worthy of praise. 他的事迹值得赞扬。(3)wo
4、rth 后面可直接跟动名词的主动结构;worthy 后接动名词的被动结构,且须与of 连用,worthy 后也可接不定式的被动式。例如:This book is worth reading.或:This book is worthy of being read.或:This book is worthy to be read. 这本书值得一读。The city is worth visiting.或:The city is worthy to be visited.或:The city is worthy of being visited.(4)表示 “很值得”,通常用 well 修饰,而不用 very。例如:The film is well worth seeing. 这部电影很值得一看。 来源:学科网