一いっ点てん張ばり

noun

persistence; single-mindedness; sticking to one thing

Describes a person who stubbornly insists on one approach, opinion, or activity, often to the exclusion of alternatives. Can carry a slightly negative nuance of inflexibility.

• 彼かれは自じ分ぶんの意い見けんの一いっ点てん張ばりで、人ひとの話はなしを聞きかない。

  He stubbornly sticks to his own opinion and won't listen to others.

• あの子こはゲーム一いっ点てん張ばりで、勉べん強きょうを全まったくしない。

  That kid is completely obsessed with games and doesn't study at all.

noun

always betting on the same thing

Original literal meaning from gambling: repeatedly placing the same bet. Now mostly used in figurative contexts or when explaining the etymology of the word.

• 「一いっ点てん張ばり」はもともと、同おなじ賭かけにこだわることを指さした。

  Originally, 'ittenbari' referred to sticking to the same bet.