B1
something that you tell no one about or only a few people
Dictionary examples:
The secret to learning English? Watching cartoons and eating ice cream! (0.0)
The secret to my success? I always wear lucky socks to important meetings. (0.0)
My secret talent? I can fall asleep anywhere, even during my own presentation! (0.0)
Can you keep a secret? (18.9)
We don't keep secrets from each other. (21.5)
Aren't you going to let me in on the secret? (22.2)
That restaurant is one of the best-kept secrets in Denver. (22.9)
I'm having a party for him but it's a secret. (24.8)
She makes no secret of her desire to sell the house. (37.0)