顾心
[gù xīn]
'顾心' translates as 'Guarding My Heart' where the user may wish to convey an intention to be vigilant with his or her feelings, or that this person treasures inner peace or emotional sanctity very much. Alternatively, 'Gu Xin' might refer to taking care of one's own heart; cherishing one’s emotions, and maintaining the integrity of oneself.