Idioms

 1. as fit as a fiddle

2. alive and kicking

3. be under the knife / go under the knife

4. be under the weather

5. be back on your feet

6. a bitter pill to swallow

7.  a clean bill of health / give sb a clean bill of health / get a clean bill of health

8. to have/get/give a new lease on life

9. to have frog in sb's throat

10. to turn one's stomach

11. like a dog with two tails

12. live in a fool's paradise

13. life is just a bowl of cherries

14. music to sb's ears

15. whatever floats your boat

a)  to have surgery or an operation.

b) refers to being unwell, typically with a cold or other minor sickness

c) you’ve successfully recovered from injury or sickness and are feeling better again!

d)  it refers to a change in mental attitude or outlook. While not always, the idiom is commonly used to describe a situation in which an event or person has caused a change in somebody else for the better.

e) a difficult or uncomfortable realization that someone comes to. It could be accepting a difficult situation or admitting that you’re wrong

f) to be in excellent physical shape or to be very healthy.

g) unable to speak in a clear way. The reason that this idiom is included in this list is that it’s very common to use it when you’re unwell.

h) something that’s (still) functioning in a good way. This can be a person, an object or even an idea!

i) when a medical professional acknowledges that you’re healthy and free from health-related issues

j) If someone is  ..... , they are extremely happy.

k) If something is ... , the information that you receive makes you feel very happy.

l) it gives you an immediate feeling of nausea or sickness. This idiom is commonly (although not always) used to refer to food.

m) If someone is .... , they are in a state of contentment that will not last because their happiness is based on illusion or false hope.

n) This expression means that life is pleasant, uncomplicated and full of enjoyment.

o) Although you don't quite agree with someone, it's their choice and you think they should do whatever makes them happy.