你明知我敏感还和她暧昧
[nĭ míng zhī wŏ mĭn găn hái hé tā ài mèi]
Translates to ‘You Know I'm Sensitive Yet You’re Ambiguous With Her.’ It describes a scenario where someone is upset because they feel their partner is being overly affectionate or unclear in relationships despite knowing it makes them uneasy.