How to say "这个我就真的不知道了" (zhè ge wǒ jiù zhēn de bù zhī dào le) in Chinese dialogue

zhègejiùzhēndezhīdàole

I really don't know that.

Idioms & Colloquial Expressions
INTERACTIVE SCRIPT TIMELINE
LINE 0124:57
jiǎ
shì
huǒ
de

the fake Yu Susu was working with you?

LINE 0224:59
PLAYING SCENE
zhè
ge
jiù
zhēn
de
zhī
dào
le

I really don't know that.

LINE 0325:01
zhēn
de

I really don't,

Show Information
Source MediaTV Series
Season & EpisodeS1 E8
Timestamp24:59
TMDB ID278868