How to say "但骨子里其实挺好强的" (dàn gǔ zi lǐ qí shí tǐng hǎo qiáng de) in Chinese dialogue

dànzishítǐnghǎoqiángde

but deep down he was quite proud.

Idioms & Colloquial Expressions
INTERACTIVE SCRIPT TIMELINE
LINE 0129:37
xiǎo
yuè
píng
shí
kēng
xiǎng

Yue was usually quiet,

LINE 0229:39
PLAYING SCENE
dàn
zi
shí
tǐng
hǎo
qiáng
de

but deep down he was quite proud.

LINE 0329:41
zhè
shì

About his parents,

Show Information
Source MediaTV Series
Season & EpisodeS1 E29
Timestamp29:39
TMDB ID261676