Compounds of 刻苦

• 刻苦
  (n,vs) hard work
• 刻苦精進
  (n,vs) being arduous
  working diligently enduring hardships
  making a strenuous effort
• 刻苦精励
  (n,vs) being arduous
  working diligently enduring hardships
  making a strenuous effort
• 刻苦勉励
  (n,vs) being arduous
  working diligently enduring hardships