How to say "但背地里又会跟别的女孩示爱" (dàn bèi dì lǐ yòu huì gēn bié de nǚ hái shì ài) in Chinese dialogue

dànbèiyòuhuìgēnbiédeháishìài

but they'd flirt with other girls secretly.

Idioms & Colloquial Expressions
INTERACTIVE SCRIPT TIMELINE
LINE 0129:51
ēn
ēn
ài
ài
de

with their girlfriends,

LINE 0229:53
PLAYING SCENE
dàn
bèi
yòu
huì
gēn
bié
de
hái
shì
ài

but they'd flirt with other girls secretly.

LINE 0329:56
zhè
shì
nán
péng
yǒu

This is my boyfriend.

Show Information
Source MediaTV Series
Season & EpisodeS1 E4
Timestamp29:53
TMDB ID240446