你脚踏两只船滑的真漂亮
[nĭ jiăo tà liăng zhĭ chuán huá de zhēn piāo liàng]
A humorous way to say 'You slide very gracefully on your two boats', it critiques the behavior of someone who engages deceitfully in more than one romantic relationship at the same time, yet does it ‘beautifully’.