再红红不过大姨妈再火火不过大姨夫
[zài hóng hóng bù guò dà yí mā zài huŏ huŏ bù guò dà yí fū]
'No matter how red (famous) you are, you can't match the impact of Aunt Flo(menstrual cramps)',and similarly with the last half of this idiom, which uses humor and slang terms regarding women menstrual cycle and menstruation related discomforts