How to say "你犯下如此大错" (nǐ fàn xià rú cǐ dà cuò) in Chinese dialogue

fànxiàcuò

You've committed such a grave offense—

INTERACTIVE SCRIPT TIMELINE
LINE 0121:37
duì
nèi
duì
wài
jiē
xìn
wéi
shǒu

integrity and trust above all else, both within and outside the family.

LINE 0221:40
PLAYING SCENE
fàn
xià
cuò

You've committed such a grave offense—

LINE 0321:42
ruò
yán
chéng

if we do not punish it severely,

Show Information
Source MediaTV Series
Season & EpisodeS1 E14
Timestamp21:40
TMDB ID275966