我姓余我心愚
[wŏ xìng yú wŏ xīn yú]
This name means 'My surname is Yu, and my heart is foolish.' It may imply that the person acknowledges their simple-mindedness despite belonging to a certain family lineage. The surname 'Yu' (余) often symbolizes a traditional Chinese family line, and the statement about being foolish might show humility or a self-deprecating trait.