Caesar’s wife(phrase)
(A person who is required to be above suspicion.)
Hindi meaning:संदेह से परे होना/किसी व्यक्ति का
Synonyms: Blameless, Guiltless, Inculpable, Irreproachable
Antonyms: Guilty, Sinful, Blameful
Example: After my wife's scandal derailed my presidential bid, I understood why Caesar's wife must be above suspicion.
Trick to remember: Julius Caesar,ki wife Caesar’s wife thi 
