How to say "到底谁是他的父亲" (dào dǐ shuí shì tā de fù qīn) in Chinese dialogue

dàoshuíshìdeqīn

who exactly his father is.

Idioms & Colloquial Expressions
Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0115:57
zhǐ
shì
què
dìng

Just not sure

LINE 0216:00
PLAYING SCENE
dào
shuí
shì
de
qīn

who exactly his father is.

LINE 0316:04
zài
kàn
wán

Maybe after seeing the DNA test results,

Show Information
Source MediaTV Series
Season & EpisodeS1 E13
Timestamp16:00
TMDB ID282902