How to say "俩人虽然嘴上不说" (liǎ rén suī rán zuǐ shàng bù shuō) in Chinese dialogue

liǎrénsuīránzuǐshàngshuō

Although neither of them says it out loud,

Idioms & Colloquial Expressions
Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0122:57
guàn
le
de
zhào

and he has grown used to her care.

LINE 0223:00
PLAYING SCENE
liǎ
rén
suī
rán
zuǐ
shàng
shuō

Although neither of them says it out loud,

LINE 0323:01
dàn
xīn

deep down,

Show Information
Source MediaTV Series
Season & EpisodeS1 E25
Timestamp23:00
TMDB ID309663