Last Updated：2025/11/20

(idiomatic, informal) Why; why is it; for what reason or purpose; due to what cause?

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how come

Source Word

how come

IPA(Pronunciation)

/haʊ kʌm/

Adverb

idiomatic informal

(idiomatic, informal) Why; why is it; for what reason or purpose; due to what cause?

Japanese Meaning

どうして / なぜ / どのような理由であるか / 何が原因なのか

How come you didn't tell me you were moving away?

どうして私に引っ越すって教えてくれなかったの？

Sense（1）

(idiomatic, informal) Why; why is it; for what reason or purpose; due to what cause?

How come you didn’t leave when you had the chance?