twist the knife meaning in Hindi

Examples

1. First a look back: Iran's mullahs already has had one opportunity to affect American politics, in 1980. Their seizure of the U.S. embassy in Tehran for 444 days haunted President Jimmy Carter's reelection campaign and - thanks to such developments as yellow ribbons, a “Rose Garden” strategy , a failed rescue operation, and ABC's America Held Hostage program - contributed to his defeat. Ayatollah Khomeini rebuffed Carter's hopes for an “October surprise” release of the hostages and twisted the knife one final time by freeing them exactly as Ronald Reagan took the presidential oath.
   15 दिसम्बर को इराक में औपचारिक रूप से युद्ध की समाप्ति के पश्चात पडोसी ईरान 2012 के अमेरिकी राष्ट्रपतीय चुनाव में एक प्रमुख अनिश्चित तत्व हो गया है।