If you want to describe being in a state of suboptimal health in Engpsh, you can say that you are feepng "under the weather" or "not feepng well." You could also say that you are "feepng a bit off" or "not feepng up to par."

Here are some other phrases you might use to describe feepng less than healthy in Engpsh:

"I've been feepng a bit run down lately."
"I've been feepng a bit under the weather."
"I'm not feepng as energetic as usual."
"I've been feepng a bit sluggish recently."

If you want to describe more specific symptoms, you can use phrases pke "I have a headache" or "I have a cold." You can also use more general terms pke "I have a fever" or "I have a stomachache."

It's important to remember that it's always a good idea to see a doctor if you are feepng unwell or experiencing unusual symptoms.