你爱我未必我也爱你
[nĭ ài wŏ wèi bì wŏ yĕ ài nĭ]
The net name 'Ni ai wo wei bi wo ye ai ni' means 'If you love me, it doesn't necessarily mean I love you back'. It implies a one-sided relationship where affection or love is not reciprocated by the other person.