To challenge someone to fight or compete.
誰かに戦うか競争するよう挑戦する。 (dareka ni tatakau ka kyousou suru you chousen suru)
"He threw down the gauntlet by questioning his opponent’s honesty."
"彼は対戦相手の誠実さを疑問視して挑戦を突きつけました。" (kare wa taisen aite no seijitsusa o gimonshi shite chousen o tsukitsukemashita)
to move quickly by someone or something with slight contact
an agreement between two or more parties to stop a war or co...
to study very hard
to be so worried or confused that you do not know what to do
a person who talks too much or reveals secrets
to remain courageous and confident despite difficulties
