Notes

Secrets, secrets.

@To keep secrets@
discretion - осмотртительность
dark horse
to have a skeleton in the cupboard/to come out of the closet
to sweep it under the carpet
to let sleeping dogs lie
to confide (in smb) - сообщать по секрету/Holly confided to me that she was ill.
not to breathe a word - заикнуться/Don't breathe a word about this to anyone.
in strict confidence
to keep it under wraps - в секрете/They tried to keep the report under wraps.
to hush smth up - замалчивать/The whole affair was hushed up by the management.
to keep the lid on (крышка) = stop increasing/The administration has intervened to keep a lid on inflation.
lips are sealed - рот на замке/And our lips are sealed
to take your secret to the grave with you

@To tell people secret information@
to reveal a secret
to blurt out a secret - выпалить/"Will you marry me?" he blurted (out).
to let the cat out of the bag
to let smth slip
to spill the beans - проболтаться/So who spilled the beans about her affair with David?
to drop a bombshell - He dropped a bombshell by announcing that he was quitting the sport.
to crack under pressure
to dish the dirt ON smb - Instead of trying to dish the dirt on one poor, misguided, misinformed numpty, you write a big article
to take the lid off something

Other words
to glean some information - собирать по кусочкам/Some useful information can be gleaned from this study.
behind closed doors
juicy gossip
world-shattering - world-shattering news (шокирующие)
to tell smb your innermost thoughts - самые сокровенные мысли
blabbermouth/loudmouth - сплетник
tattletale - стукачка
Have you ever eavesdropped on a conversation?