心亦有他怎会装下你
[xīn yì yŏu tā zĕn huì zhuāng xià nĭ]
The name 'Heart already belongs to him; how can it fit for you?' suggests heartbreak, jealousy, or unreciprocated feelings. It conveys a situation where one's heart is taken by someone else, leaving no room for another's affections.