一役買う〔~するのに〕: 【他動】 help (that以下)と気付くのに一役買う: help someone discover that〔人が〕 コミックスに対する認識を変えるのに一役買う: help change the perception of comics ブームに一役買う: support a boom 人気に一役買う: contribute to the popularity of〔~の〕 活性化に一役買う: help to galvanize〔~の〕 節約に一役買う: help someone save money〔人の〕 誕生に一役買う: help give birth to〔~の〕 誕生に一役買う〔~の〕: 【他動】 midwife 世の中の共感を呼ぶのに一役買う: have a role to play in increasing public empathy 管の破裂に一役買う: play a part in the rupture of the pipe 自国の発展に一役買う: help develop one's country 一役買う: 一役買う ひとやくかう to take on a role to take part 一役買う 1: 1. accept a part 2. help out 3. play a part 4. take a hand in 一役買う 2 1. do one's bit for 2. get in on 3. have a hand (in)〔~に〕 ビジネスを成功させるのに必要不可欠だ: be essential to successful business