How to say "当年他帮了我个大忙" (dāng nián tā bāng le wǒ gè dà máng) in Chinese dialogue

dāngniánbānglemáng

He did me a great favor back then,

Idioms & Colloquial Expressions
Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0121:15
dàn
què
zhèng
zhí

but he's upright and honorable.

LINE 0221:18
PLAYING SCENE
dāng
nián
bāng
le
máng

He did me a great favor back then,

LINE 0321:20
biàn便
gōng
shān
pái
xiāng
sòng

so I offered to give him the Gongshan Jade Tablet.

Show Information
Source MediaTV Series
Season & EpisodeS1 E12
Timestamp21:18
TMDB ID272715