1. to keep under wraps
2. to keep under sb's hat
Anglais mot "utrzymać w tajemnicy"(to keep under sb's hat) se produit dans des ensembles:
Listening - BZDAK - kwiecień3. keep back
4. hold back
Bodyguards had to hold back the crowd as Madonna stepped out of the car.
Don't hold back!
The police were unable to hold back the crowd.
she couldn't hold back her tears
Don't hold back; take the opportunity while it's there.
I was unable to hold back my tears.
Can you hold back that yawn?
5. keep it low key
Anglais mot "utrzymać w tajemnicy"(keep it low key) se produit dans des ensembles:
Emilly in Paris6. keep secret
you mean the set of words and numbers which I keep secret and allow me to access information