Meaning of “it takes a thief to catch a thief” in the English Dictionary

british dictionary

"it takes a thief to catch a thief" in British English

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it takes a thief to catch a thief

saying

used to mean that one dishonest person can guess what another dishonest person might do

(Definition of “it takes a thief to catch a thief” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)