一本気

(1)the quality of wearisome constancy, routine, and lack of variety; "he had never grown accustomed to the monotony of his work"; "he was sick of the humdrum of his fellow prisoners"; "he hated the sameness of the food the college served"

(2)退屈なほど不変で変化に乏しい性質

(1)he had never grown accustomed to the monotony of his work

(2)彼は、一度も、彼の仕事の単調さに慣れたことがなかった

(3)he was sick of the humdrum of his fellow prisoners

(4)彼は彼の仲間囚人の単調さにうんざりしていた

(5)he hated the sameness of the food the college served

(6)彼は大学で出たものと同じ食べ物が出たことをひどく嫌がった