How to say "竟然跟我背地里玩阴的" (jìng rán gēn wǒ bèi dì lǐ wán yīn de) in Chinese dialogue

jìngrángēnbèiwányīnde

how could he play dirty tricks on me behind my back?

Idioms & Colloquial Expressions
INTERACTIVE SCRIPT TIMELINE
LINE 0120:08
táng
táng
hóng
bái
liǎng
àn
de
gāo
chú
qián
bèi

As a dignified senior chef skilled in both hot dishes and pastry making,

LINE 0220:11
PLAYING SCENE
jìng
rán
gēn
bèi
wán
yīn
de

how could he play dirty tricks on me behind my back?

LINE 0320:13
huái怀

It's a reasonable suspicion,

Show Information
Source MediaTV Series
Season & EpisodeS1 E20
Timestamp20:11
TMDB ID281231