你不是我的姨妈痛我不用心
        
            [nĭ bù shì wŏ de yí mā tòng wŏ bù yòng xīn]
        
        
            Literally, it translates to 'You are not my period cramp; I am not really concerned'. The phrase expresses someone's frustration and sarcasm towards something or someone causing them annoyance.