let the cat out of the bag,"['spill the beans', 'babble', 'babble out', 'blab', 'blab out', 'break', 'bring out', 'disclose', 'discover', 'divulge', 'expose', 'give away', 'impart', 'let on', 'let out', 'peach', 'reveal', 'sing', 'talk', 'tattle']"