蛇の道は蛇
Idiom- 1the wolf knows what the ill beast thinks ; it takes one to know one ; it takes a thief to catch a thief Translated by Jiyomi
Other writings and readings
蛇の道はヘビ蛇の道はへびへびのみちはへび
expressions (phrases, clauses, etc.)
JMdict entry 2417800. Source and licence.