我不可爱也不美至少我很乖
[wŏ bù kĕ ài yĕ bù mĕi zhì shăo wŏ hĕn guāi]
Translates to 'I'm Not Cute or Pretty, But At Least I Am Obedient,' expressing humility mixed with self-awareness and acceptance. The person acknowledges they don't possess conventional attractiveness but takes pride in being well-behaved instead.