(of a person's facial expression or mood) to suddenly become unhappy, worried, or troubled

どんよりとなる, 不安になる

(of bodies of water or other surfaces) to become completely covered or blocked with ice due to extremely cold temperatures

完全に凍結する, 氷で覆われる

to show excessive or unnecessary concern, care, or attention to someone or something

過度に気を使う, 必要以上に心配する

to recover from an unpleasant or unhappy experience, particularly an illness

回復する, 乗り越える

(of a threat, problem, concern, etc.) to exist and create a sense of worry or uncertainty about what will happen

圧迫する, 心配をもたらす

(of wounds) to slowly grow new skin over the injured area as part of the healing process

治癒する, 癒される

to significantly transform the appearance of something to update, enhance, or modernize its look

イメチェンする, 更新する

