英和和英

to disclose a secret―divulge a secret―reveal a 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

to expose a secret

take the wraps off

spy out a secret

matter or event defined by evaluation (secret matter)

disclose a secret

to keep the matter a secret

The matter must be kept secret

to keep something a secret

to divulge a secret―blab a secret―let out a secret―let the cat out of the bag

the act of keeping something a secret

to observe strict secrecy

to clear up a mystery

in secrecy

betray a confidence

to betray a person―give one away

an open secret

backstairs intimacies

in secrecy

pierce a mystery

to clear up a mystery

of something, the state of being a secret

babble (out) a secret

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

to keep the matter （a） secret―preserve secrecy

to swear one to secrecy―bind one to secrecy

a supposed secret that everyone knows about

in a confidential manner

to disclose a secret