YOU SAID:

Lemon should work. It not, then more carbonated water

INTO JAPANESE

レモンが効くはずです。そうじゃないならもっと炭酸水

BACK INTO ENGLISH

A lemon would work. If not, more carbonated water

INTO JAPANESE

レモンが効きます。そうでない場合は、炭酸水を追加してください

BACK INTO ENGLISH

Lemon works. If not, add carbonated water

INTO JAPANESE

レモンが効きます。無ければ炭酸水を入れる

BACK INTO ENGLISH

Lemon works. If not, add carbonated water