How to say "他发泄了心中怒火" (tā fā xiè le xīn zhōng nù huǒ) in Chinese dialogue

xièlexīnzhōnghuǒ

once he vented his anger,

Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0119:48
biàn便
wéi

So I thought

LINE 0219:50
PLAYING SCENE
xiè
le
xīn
zhōng
huǒ

once he vented his anger,

LINE 0319:52
biàn便
huì
zài
shā
rén
le

he wouldn't kill again.

Show Information
Source MediaTV Series
Season & EpisodeS1 E24
Timestamp19:50
TMDB ID289209