坐等迎接大姨妈
[zuò dĕng yíng jiē dà yí mā]
Waiting For Auntie Flo - 'Auntie Flo' is a commonly used English slang for one’s period (menstruation). The user anticipates or prepares for an upcoming menstruation period, likely adding casualness with humor or dread depending on the person's experience.