她很好所以你看不上我
[tā hĕn hăo suŏ yĭ nĭ kàn bù shàng wŏ]
'She is very good, so you don't look up to me.' In this sentence, it seems the holder compares themselves unfavorably against someone else - especially in the scope of love or personal qualities, reflecting a somewhat self-effacing mindset.