～に対して③

About

～に対たいして is a combination of the に particle and the て form of the verb 対たいする ("to face; to compare; to oppose"), often translates to "towards/for X", or "compared to X", and is fairly formal in tone.

～に対たいして has three main usages:

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  ① "towards; for"

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  ② "in comparison to"

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  ③ ratios/percentages ("X for Y").

This entry concerns usage ③.

For usage ③, ～に対たいして may only attach to an amount of something, and expresses that there is "X number of something for every Y of something else".

E.g. 子供こども10人じゅうにんに対たいして、先生せんせい1人ひとりは大変たいへんだ。 "It's difficult to have one teacher for 10 every kids.

E.g. しょうゆ大おおさじ3に対たいして、砂糖さとうを大おおさじ2を加くわえます。 "I'm going to add two tablespoons of sugar for every three tablespoons of soy sauce."

Summary

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  ～に対して has three main usages: ① "towards; for", ② "in comparison to", and ③ ratios/percentages "X for Y"

• 

  For usage ③, ～に対たいして may only attach to an amount of something

• 

  For usage ③, ～に対たいして expresses that there is "X number of something for every Y of something else"