คุณไม่รู้จริงหรอ? up to u I don't

คุณไม่รู้จริงหรอ?
up to u
I don't specialize in this subject

ผลลัพธ์ (อังกฤษ) 2:

You know, really?
up to U
I do Not specialize in this subject.

ผลลัพธ์ (อังกฤษ) 3:

You don't know?

up to u I don 't specialize in this subject

.