英和和英

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

to expose a secret

matter or event defined by evaluation (secret matter)

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

the act of keeping something a secret

to keep the matter a secret

to keep something a secret

in secrecy

to disclose a secret―divulge a secret

The matter must be kept secret

of something, the state of being a secret

spy out a secret

an open secret

in secrecy

backstairs intimacies

pierce a mystery

take the wraps off

to observe strict secrecy

to clear up a mystery

to keep a secret―maintain secrecy―observe secrecy―（自分の秘密なら）―keep one's own counsel

kept secret

disclose a secret

in a confidential manner

a supposed secret that everyone knows about

keep a secret

to clear up a mystery

to keep the matter （a） secret―preserve secrecy

to swear secrecy―vow secrecy―pledge oneself to secrecy―bind oneself to secrecy

to swear one to secrecy―bind one to secrecy

pass on stealthily