revelar un secreto

(v.) = spill + secret, spill + the beans, tell + a secret, let + the cat out of the bag, blow + the gaff

Ex. Journalists are worried about spilling military secrets, undermining national security, and consorting with the enemy.

Ex. Native speakers of English use idioms such as 'put your foot down' and 'spill the beans' to label events that are not described literally by the words that make up the idioms.

Ex. Fully 50% of the respondents to my survey say the person to whom they're most likely to tell a secret is their significant other.

Ex. Manic-depressives who are aware of their mental illness usually take great pains not to let the cat out of the bag, fearing it will damage their career and poison relationships.

Ex. It was not idealism but plain fear, plus a peasant's nose for security, which led to Vladimir's decision to blow the gaff.

* * *

(v.) = spill + secret, spill + the beans, tell + a secret, let + the cat out of the bag, blow + the gaff

Ex: Journalists are worried about spilling military secrets, undermining national security, and consorting with the enemy.

Ex: Native speakers of English use idioms such as 'put your foot down' and 'spill the beans' to label events that are not described literally by the words that make up the idioms.

Ex: Fully 50% of the respondents to my survey say the person to whom they're most likely to tell a secret is their significant other.

Ex: Manic-depressives who are aware of their mental illness usually take great pains not to let the cat out of the bag, fearing it will damage their career and poison relationships.

Ex: It was not idealism but plain fear, plus a peasant's nose for security, which led to Vladimir's decision to blow the gaff.