Aku-Sen-Ku-Tou

struggle hard. a tough fight. fight desperately.
a hard struggle. struggle with against.

kanji meaning :

• Aku = an evil. wickedness. a vice. wrong. bad. foul. (= Waru(-i)).
  


• Sen = war. warfare. a battle. a combat. (= Ikusa).
  a fight. a conflict. a struggle.
  contend. resist.
  a game. a match. a tournament.
  


• Ku = painful. hard. tough. difficult. (= Kuru(-shii)).
  pain. suffering. agony. distress.
  worry. anxiety. trouble. a difficulty.
  


• Tou = a fight. a struggle. conflict.