Do you know the English expression “to have a brainwave“? Read the conversation below. Can you guess the meaning?

Petra: Have you worked out how to get more money?

Fran: Yes, I had a brainwave yesterday. I’m going to start my own business!

Does it mean:

a) have a good idea

b) have a headache

c) have trouble thinking

d) have an illness

The answer is below!↓

 

Answer: a) have a good idea