金刚芭比软妹心
[jīn gāng bā bĭ ruăn mèi xīn]
This nickname combines contrasting elements - '金刚' meaning 'indestructible', like the strength of King Kong, and '芭比' referring to Barbie doll, symbolizing cuteness and delicateness. Thus, it represents a strong-looking person with a soft, caring heart.