不ふ勉べん強きょう

noun

idleness; lack of diligence; lazy study habits

Refers to a lack of effort in studying or working, often used self-critically or to describe someone's attitude.

• 試し験けんに落おちたのは、自じ分ぶんの不ふ勉べん強きょうのせいだ。

  I failed the exam because of my own lack of study.

• 彼かれは不ふ勉べん強きょうで、いつも宿しゅく題だいを忘わすれる。

  He is lazy about studying and always forgets his homework.