狂瀾怒涛: raging rough seas; maelstrom (any violent or turbulent situation)

Thank you for your hard work, I appreciate your effort

demography

異種格闘技戦: a combat sport match where opponents compete against each other using different styles of martial arts

single transferable vote

steep, high / swift / imperial

step on / tread

mixed martial arts

a combat sport match where opponents compete against each other using different styles of martial arts

leaf, block, classifier for cake / something D / fourth in rank / street / even