〔真剣に〕with all one's heart, wholeheartedly;〔盲目的に〕blindly
- 一途な願い
- an earnest prayer [wish]
- 彼女の一途な情熱には彼もたじたじだ
- He can hardly resist her single-minded passion for him.
- 彼は一途に研究に打ち込んでいる
- He is completely absorbed in his research./He is intent upon [on] his studies.
- 彼女は彼が悪いのだと一途に思い込んでいる
- 「She is obsessed with the idea [She firmly believes] that he is to blame.