I know that I can use で here to mean by/with but wouldn't it be more proper to use を since よごす is a transitive verb?


Any help would be appreciated. Thank you!

1 Answer 1


汚す{よごす} is indeed a transitive verb, but 土埃{つちぼこり} is not the direct object of action here. When you use 汚す, you can specify a direct object(marked with を) and you can also specify the thing that dirtied that object. You can specify that with で. That means, that 寝具{しんぐ} is the thing that got dirty, and it was dirtied by 土埃. Another example:

手を血で汚す - dirty hands with blood

  • 1
    You are wonderful. Thank you for explaining it clearly.
    – John
    Mar 12, 2016 at 14:36
  • 3
    Grammatically, there is a hidden を underneath も. Mar 13, 2016 at 7:08
  • @broccoliforest True, I didn't think about it that way in this context. Thank you for the important note. Mar 13, 2016 at 18:03

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