如何して (Doushite) is a Japanese adverb meaning “how, in what way, by what means, why”.
Meanings
- adverbhow; in what way; by what means
- adverbwhy; for what reason; for what purpose; what for
- adverbcannot possibly
- interjectionno wayoften as どうして、どうして
Examples
どうして月は夜輝くのか。
How does the moon shine at night?
どうしてよいか途方に暮れた。
I was at my wit's end as to how to act.
車があるのにどうして歩くの？
Why do you walk when you have a car?
Sentences from Tatoeba (CC BY 2.0 FR).