是人是狗别急我笑着慢慢瞅
[shì rén shì gŏu bié jí wŏ xiào zhe màn màn chŏu]
The nickname implies a relaxed attitude towards discerning the true nature or behavior of people. 'Don't be impatient, I'll calmly look at who you really are with a smile.' It carries the meaning of not being rash in judgment and taking the time to understand people.