How to say "大王子的死因还未查清" (dà wáng zi de sǐ yīn hái wèi chá qīng) in Chinese dialogue

wángzideyīnháiwèicháqīng

The cause of Eldest Prince's death hasn't been verified yet.

Idioms & Colloquial Expressions
Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0133:28
yǒu
rán
huàn
fāng
nán
zhào
de
dào
a

We're fine with the peaceful negotiation and all, but why should we change the venue to Nanzhao?

LINE 0233:32
PLAYING SCENE
wáng
zi
de
yīn
hái
wèi
chá
qīng

The cause of Eldest Prince's death hasn't been verified yet.

LINE 0333:35
wèi
le
shuāng
fāng
ān
xīn

For both parties' peace of mind,

Show Information
Source MediaTV Series
Season & EpisodeS2 E27
Timestamp33:32
TMDB ID124595