How to say "有一段时间了" (yǒu yī duàn shí jiān le) in Chinese dialogue

yǒuduànshíjiānle

for quite some time.

Idioms & Colloquial Expressions
INTERACTIVE SCRIPT TIMELINE
LINE 0120:07
zhè
zhǒng
qíng
kuàng
jīng
tíng
zhì
le

This situation had stopped

LINE 0220:08
PLAYING SCENE
yǒu
duàn
shí
jiān
le

for quite some time.

LINE 0320:10
me
rán
zhì
huàn
de
zhè
xiē
rén

So, how did these people who suddenly hallucinated

Show Information
Source MediaTV Series
Season & EpisodeS1 E9
Timestamp20:08
TMDB ID278868