Shēng wán háizi hòu, tā dānxīn zìjǐ biànchéng shuǐtǒngyāo.
After giving birth, she worried about ending up with a bucket waist.
Tips
memory
Picture a cylindrical water bucket (水桶) - straight down from chest to hip, no taper. Contrast with 蜂腰 (bee waist) and 小蛮腰 (slender waist) for the valued tapered shape.