Wear many hats

Today the word I’ve met is Wear many hats.

Wear different hat or Wear many hats is they have or do various job.
I am supposed to wear many hats in my office. 

Rapper, singer, model and dancer, at just 22 years old, Lalisa Manoban wears many hats. (src from vogue.fr)

What are the odds?

Today the word I’ve met is What are the odds?

odds is a possibility which a thing will happen or not.
What are the odds of raining tomorrow? What is the probability it will rain tomorrow?

What are the odds? It is used at unbelievable situation.
He was hit by car twice a week. What are the odds?