How to say "我真不知道该怎么表达感谢" (wǒ zhēn bù zhī dào gāi zěn me biǎo dá gǎn xiè) in Chinese dialogue

zhēnzhīdàogāizěnmebiǎogǎnxiè

I truly don't know how to express my gratitude.

Idioms & Colloquial Expressions
Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0121:46
jiù
le
de
mìng

Last time, Guangcai donated blood to save my life.

LINE 0221:48
PLAYING SCENE
zhēn
zhī
dào
gāi
zěn
me
biǎo
gǎn
xiè

I truly don't know how to express my gratitude.

LINE 0321:50
guǎng广
cái
xiōng

Brother Guangcai, from now on, let's be like real brothers, okay?

Show Information
Source MediaTV Series
Season & EpisodeS1 E1
Timestamp21:48
TMDB ID282902