How to say "是骗了你这么多年" (shì piàn le nǐ zhè me duō nián) in Chinese dialogue

shìpiànlezhèmeduōnián

and I've lied to you for all these years,

Idioms & Colloquial Expressions
INTERACTIVE SCRIPT TIMELINE
LINE 0119:20
shì
shā
rén
fàn

Xiaohe, I am a murderer,

LINE 0219:22
PLAYING SCENE
shì
piàn
le
zhè
me
duō
nián

and I've lied to you for all these years,

LINE 0319:25
dàn
yǒu
de
zhōng

but I had my reasons.

Show Information
Source MediaTV Series
Season & EpisodeS1 E26
Timestamp19:22
TMDB ID254498