莫非我爱你不如她爱你
[mò fēi wŏ ài nĭ bù rú tā ài nĭ]
'Could it be that I love you less than she does?'. The user questions and feels self-doubt about their love or affection towards a third party as inferior. A sad statement reflecting possible insecurity or heartache from unreciprocated feelings compared to someone's affections.