How to say "老朽从未见过啊" (lǎo xiǔ cóng wèi jiàn guò a) in Chinese dialogue

lǎoxiǔcóngwèijiànguòa

is one I have never seen before.

Idioms & Colloquial Expressions
Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0113:20
dàn
zhè
zhǒng

But this toxin

LINE 0213:21
PLAYING SCENE
lǎo
xiǔ
cóng
wèi
jiàn
guò
a

is one I have never seen before.

LINE 0313:23
zhè
jiě
de
fāng
zi
ma

As for an antidote,

Show Information
Source MediaTV Series
Season & EpisodeS2 E14
Timestamp13:21
TMDB ID124595