回答
- It's been so hot lately I feel dazed and lethargic from the heat.
- My energy levels are zapped from all the hot weather we've had lately and I feel spaced out on top of that.
この場合、次のような言い方ができますよ。ーIt's been so hot lately I feel dazed and lethargic from the heat.「最近すごく暑くて、熱で頭がぼんやりしてだるい」to feel dazed「ぼんやりする」lethargic「だるい・無気力な」ーMy energy levels are zapped from all the hot weather we've had lately and I feel spaced out on top of that.「最近のこの暑い天気で気力がないし、その上、頭もぼんやりする」my energy levels are zapped「元気が消耗された」to feel spaced out で「ぼんやりする」ご参考まで！
カナダ 
