一途

(1)having or showing excessive or compulsive concern with something; "became more and more haunted by the stupid riddle"; "was absolutely obsessed with the girl"; "got no help from his wife who was preoccupied with the children"; "he was taken up in worry for the old woman"

(2)何かに対する過度であるか衝動的な関心を持つか、示すさま

(3)characterized by a firm and humorless belief in the validity of your opinions; "both sides were deeply in earnest, even passionate"; "an entirely sincere and cruel tyrant"; "a film with a solemn social message"

(4)あなたの意見の正当性についての堅くユーモアのない考えによって特徴づけられる

(1)