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cheers; bottoms-up; prosit
toast; drink (in honor or celebration of someone or something)
drinking one's glass dry
乾盃の音頭を取る役目が回ってきた。
The role of leading the toast fell to him.
新年を祝って全員で乾盃をした。
Everyone toasted together to celebrate the new year.
試合の勝利を祝って仲間と乾盃を交わした。
They raised a toast with their teammates to celebrate the victory.