How to say "为什么一躺就是十八年" (wèi shén me yī tǎng jiù shì shí bā nián) in Chinese dialogue

wèishénmetǎngjiùshìshínián

Why has he been lying there for 18 years?

Idioms & Colloquial Expressions
Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0141:09
zhè
me
hǎo
de
rén

He's such a good man.

LINE 0241:12
PLAYING SCENE
wèi
shén
me
tǎng
jiù
shì
shí
nián

Why has he been lying there for 18 years?

LINE 0341:15
píng
shén
me
tǎng
jiù
shì
shí
nián

How could he lie there for 18 years?

Show Information
Source MediaTV Series
Season & EpisodeS1 E4
Timestamp41:12
TMDB ID282902