zyu2 jiu3 jyun4 jan1主要原因

Jyutpingzyu2 jiu3 jyun4 jan1
Yalejyú yiu yùhn yān

Definition

Main reason; primary cause.

neutralother

How it's used

Focus on the fact that this phrase is used in both formal and informal contexts to introduce a primary explanation. It functions as a noun phrase and is often followed by 係 to link the reason to the subject. It is the standard way to express the most significant factor behind an event or decision.

Examples

The main reason for being late is the traffic jam.

Common phrases

Common mistake

Learners often try to use this as a verb phrase, but it is strictly a noun phrase. Ensure you include 係 after it to complete the sentence structure.

Grammar color guide

Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector