sang1 sei2 jau4 gwaan1生死攸關生死攸关

Jyutpingsang1 sei2 jau4 gwaan1
Yalesāng séi yàuh gwāan

Definition

A matter of life and death; of vital importance.

Grammar color guide

Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector