とうにおちずかたるにおちる

Japanese

For pronunciation and definitions of とうにおちずかたるにおちる – see the following entry.

【問うに落ちず語るに落ちる】 [proverb] (idiomatic) to keep a secret when asked about it, but let it slip inadvertently when chatting on another occasion

(This term, とうにおちずかたるにおちる (tōniochizukataruniochiru), is the hiragana spelling of the above term.)