两心

liǎng xīn xiāng yìn

两心相印

have mutual affinity

liǎng xīn xiāng zhī

两心相知

know each other well

ài qíng jiù shì liǎng xīn yī tǐ

爱情就是两心一体。

Love is one body with two hearts.

huái yǒu liǎng xīn

怀有两心

have ulterior motives