柠檬酸不经心酸姨妈痛不经心痛
[níng méng suān bù jīng xīn suān yí mā tòng bù jīng xīn tòng]
A playful combination of sentiments, literally 'lemon acid not withstands heartache, period pain not withstands heartache.' This mixes different kinds of pain—physical and emotional—to express complex and often conflicting feelings.