若离心
[ruò lí xīn]
'Ruo Lixin', 'Ruo' suggests 'If' or implies something intangible or far away, 'Li' means 'leave' and 'Xin' can mean either heart or mind in Chinese. It implies an intention of emotional departure which is a very sad and wistful state. In other words, it conveys a mood when one desires to detach from certain feelings but finds that impossible.