就算我爱你在深也比不过她
[jiù suàn wŏ ài nĭ zài shēn yĕ bĭ bù guò tā]
The phrase means 'No matter how deeply I love you, it won’t match the way she loves you.' This expresses a feeling of deep but inferior love, often used when someone feels their affection can never surpass another's.