猪八戒倒打一耙zhu ba jie dao da yi pa

【口语】The pig strikes back with his rake—make a counterattack or countercharge

猪八戒倒打一耙

(in reference to the character Pig in Pilgrimage to the West(《西游记》)who carries a rake as a weapon)make unfounded counter-charges;put the blame on one’s victim