萌妹子女人唯美的外表女汉子男人彪悍的灵魂
[méng mèi zi nǚ rén wéi mĕi de wài biăo nǚ hàn zi nán rén biāo hàn de líng hún]
It translates into 'cute girlish-looking woman, gorgeous outside, but tough inside'. This conveys a personality description - a person may appear delicate and pretty on the outside, yet strong and courageous within.