你冷若冰霜你艳若桃李
[nĭ lĕng ruò bīng shuāng nĭ yàn ruò táo lĭ]
Contradictory descriptions, with '冰霜' meaning icy and frosty, and '桃李' describing blooming peaches. This nickname indicates someone whose demeanor may alternate between being very cold and charmingly vibrant.