To keep something secret.
Держать что-то в секрете. (Derzhat' chto-to v sekrete.)
"I’ll tell you a secret, but keep it under your hat."
"Я расскажу тебе секрет, но держи это в секрете." (Ya rasskazu tebe sekret, no **derzhi eto v sekrete**.)
to take an indirect route
a sudden realization or new idea
art created for its beauty rather than for any purpose
Those who take risks are more likely to be successful.
unable to think clearly or remember something
to become friends again after a disagreement