to celebrate a special event or success
特別な出来事や成功を祝う (tokubetsu na dekigoto ya seikou wo iwau)
"Let’s pop the champagne to celebrate our victory!"
"私たちの勝利を祝うためにシャンパンを開けましょう！" (Watashitachi no shouri wo iwau tame ni shanpan wo akemashou!)
to greet someone
to continue hoping even when it seems impossible
to be uncertain or have both positive and negative emotions
to make significant progress or improvements
being planned or developed
to rest and regain energy
