也许命中不合适
[yĕ xŭ mìng zhōng bù hé shì]
'也许' means perhaps, and '命中' here could be interpreted as predestined. Hence, 'Maybe not destined for each other', which seems like an accepting but slightly disheartened expression after coming to realize two individuals might not suit each other well enough to be in each other’s life on destiny level.