英和和英

a secret despatch

a confidential despatch

a secret document

disclose a secret

secret

secrets

kept secret

to disclose a secret to one―reveal a secret to one―divulge a secret to one―confide a secret to one―unbosom oneself of a secret to one―unburden one's heart of a secret to one―let one into the secret

secret papers―secret documents

an auricular confession

cryptic writings

a secret word

to disclose a secret―divulge a secret―reveal a secret

to disclose a secret―divulge a secret―reveal a secret―give away the secret

to disclose a secret

to keep the matter a secret

to expose a secret

secret messages

to keep something a secret

secret promise

an open secret

open secrets

secret vote

keep a secret

keep a secret

the act of keeping something a secret

The matter must be kept secret

The matter asks secrecy.

The matter requires secrecy―demands secrecy―asks secrecy―must be kept a secret.

to secrete