It beats me

Do you know the English expression “it beats me“? Read the conversation below. Can you guess the meaning?

Emily: Why does your brother stay in a job he hates?

Angela: It beats me.

Does it mean:

a) something beats you

b) I don’t know

c) it’s a secret

d) it pays well

The answer is below! ↓

man in black suit sitting on chair beside buildings

Photo by Andrea Piacquadio on Pexels.com

 

Answer: b) I don’t know