刻苦勉励 (こっくべんれい) Japanese meaning | KotomoraMeanings
1
noun, noun or participle which takes 'suru'
hard work and perseverance; diligent effort through hardship
yojijukugo (four-character idiom)
A yojijukugo describing the act of working diligently while enduring difficulties. Often used in formal or literary contexts to praise perseverance.
刻苦勉励して研究を続けた結果、大きな発見につながった。
As a result of diligently continuing the research while enduring hardships, it led to a major discovery.