脚踏两只船小心掉河里
[jiăo tà liăng zhĭ chuán xiăo xīn diào hé lĭ]
This name translates to 'Be Careful Not To Fall Into The River When Straddling Two Boats'. It's a metaphor advising caution when having dual affiliations or being involved in more than one romantic relationship at once, highlighting the risks and potential fallout associated with such behavior.