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Tamguatlay Posted 12 years ago
Grammar

From vs against

Trees protect us from/against the sun.

Which word should I use?

Thanks.
  

Top answer

g. an insurance policy protects against loss by fire). Frederick T Wood, English Prepositional Idioms CB

  • g.
  • an insurance policy protects against loss by fire).
  • Frederick T Wood, English Prepositional Idioms CB
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1 Answers
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The normal idiom is protect one from something or someone (protect one from one's enemies, from the cold, from the rain, etc.) but against is used when the protection afforded is by way of compensation for possible loss or damage (e.g. an insurance policy protects against loss by fire).
Frederick T Wood, English Prepositional Idioms

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