Keen on (something)

Do you know the English expression “to be keen on (something)“? Read the conversation below. Can you guess the meaning?

Helene: What sport is your son into these days?

Igor: He’s really keen on swimming.

Does it mean:

a) not interested in

b) very interested in

c) making an effort

d) good at

The answer is below!↓

blue water wallpaper

Photo by julie aagaard on Pexels.com

 

Answer: b) very interested in