what someone doesn't know can't/won't hurt him/her

idiom

used to say that if someone does not know about something, he or she cannot be damaged by it, blamed for it, etc.

Dictionary Entries Near what someone doesn't know can't/won't hurt him/her

whatsoever

what someone doesn't know can't/won't hurt him/her

what someone is made of

Cite this Entry

“What someone doesn't know can't/won't hurt him/her.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/what%20someone%20doesn%27t%20know%20can%27t%2Fwon%27t%20hurt%20him%2Fher. Accessed 25 Apr. 2024.

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