魅力外表下的一颗毒心
[mèi lì wài biăo xià de yī kē dú xīn]
'魅力外表下的一颗毒心' translates into English as 'A Venomous Heart Beneath An Attractive Facade', describing an individual appearing charming or good-looking externally but hiding malevolent intentions or toxic traits underneath, highlighting duality between outward appearances and inward character.