いっぽんぎ

一本気
a one-track mind
monotony

* * *

いっぽんぎ【一本気】

～な single-minded.

●一本気な男 a single-minded [genuine, earnest] man

・彼は彼女のその一本気な性格に惚れている. He was attracted to her because of her firm resolve.

・彼は一本気な性格がわざわいして始終ひとと喧嘩ばかりしている. His single-minded personality causes trouble and he's always getting into fights with people.