四级词汇讲解:sustain

原句:This is a merry-go-ground that's going very fast, and none of the institutionsbelieve they can sustain the risks of trying to break away by themselves.
  译文:
  这就像是一个转得飞快的旋转木马,没有任何一个学校认为自己可以承担单独行动的风险。

  词汇讲解:
  本句为并列句,主干为this is a merry-go-round, and none of the institutions believe。前一个分句中that's going very fast是merry-go-round的定语从句;第二个分句中they can sustain the risks oftrying to break away by themselves是believe的宾语从句。

  merry-go-round在句中意为“一连串繁忙活动,走马灯似的更迭”,其本意为“旋转木马”。

  break away的意思是“脱离,逃脱”,其后通常跟介词from。如:
  They broke away from the national union to form their own union.他们脱离了全国工会,组建了自己的工会。

  by oneself的意思是“单独,独自”。如:
  The baby can now walk by himself.这个小宝宝现在可以自己走路了。

  考点归纳:
  及物动词sustain有以下含义及用法:
  ※ 意为“维持(生命、生存)”。如:
  A good breakfast will sustain you all morning.丰盛的早餐会让你整个上午都精力充沛。

  ※ 意为“使保持”。如:
  You should try to sustain the audience's interest.你应该努力去保持观众的兴趣。

  ※ 意为“遭受,蒙受”。如:
  The town sustained heavy losses in the flood.该城镇在洪水中遭受了惨重的损失。

  ※ 意为“承受,支撑”。如:
  The floor won't sustain the weight of the piano.地板承受不了钢琴的重量。

  ※ 意为“支持”。如:
  There is no proof to sustain your views.没有证据支持你的观点。


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