一役買う
hitoyakukau
to take on a role, to take part
All Senses
  1. hitoyakukau to take on a role, to take part
Nihoner AI Pronunciation Engine v3.2 · ja-JP

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Kanji Breakdown
One, One Radical (no.1)
On: いち,いつ Kun: ひと-,ひと.つ
1 strokes N5
Duty, War, Campaign, Drafted Labor, Office, Service, Role
On: やく,えき
7 strokes N3
Buy
On: ばい Kun: か.う
12 strokes N4
How to Use This Word
U-verb (五段動詞)
Pattern
一役買う (dict) → polite: -ます form → て-form → た-form

💡 Conjugate the final kana to the い-row before adding ます.

Example
よく一役買うことがあります。
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Found in a wide range of contexts. Useful for building reading and listening fluency.

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Lv 1
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