I caught a cold ten days ago so I was taking medicine, but I didn't get better and I was sick in bed for two days.
この場合、次のような言い方ができますよ。
ーI caught a cold ten days ago so I was taking medicine, but I didn't get better and I was sick in bed for two days.
「10日前に風邪をひいたので、薬を飲んでいたが、良くならなくて2日間寝込んでいた」
to catch a cold「風邪をひく」
to take medicine「薬を飲む」
to get better「良くなる」
to be sick in bed「寝込む」
ーMy throat is sore and I lost my voice.
「喉が痛くて声が出ない」
to lose one's voice で「声が出ない」ことを表現できます。
ご参考まで!
I caught a cold ten days ago and was taking medicine, but it didn't get better, and I was sick in bed for two days. My throat is sore, and I can't speak.
こんにちは!
ご質問ありがとうございます。
先のアンカーさんが丁寧に回答されていますので、ここでは他の例を挙げてみます。
I caught a cold ten days ago and was taking medicine, but it didn't get better, and I was sick in bed for two days. My throat is sore, and I can't speak.
とすると、『私は10日前に風邪をひいて薬を飲んでいましたが、治らず、2日間寝込んでいました。のどが痛くて、話すことができません。』となります。
参考になれば幸いです。