辞書 ポーランド語 - 英語
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utrzymać w tajemnicy 英語で:
1. 
to keep under wraps
2. 
to keep under sb's hat
英語 "という言葉utrzymać w tajemnicy"（to keep under sb's hat）集合で発生します。
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
英語 "という言葉utrzymać w tajemnicy"（keep it low key）集合で発生します。
Emilly in Paris6. 
keep secret
you mean the set of words and numbers which I keep secret and allow me to access information
