lei5 geoi3理據理据
Jyutpinglei5 geoi3
Yaleléih geui
Definition
Justification, grounds, or basis for an argument or point of view.
neutralworkcommunication
How it's used
This term is significantly more formal than 理由 or 藉口. It is frequently used in professional, academic, or legal contexts to emphasize that a claim is backed by evidence or logical reasoning rather than just personal opinion. You will often hear it in workplace meetings or when someone is being asked to defend a decision.
Examples
You need to have grounds for what you are saying.
What is the justification for the proposal he put forward?
Related words
Common mistake
Do not use this word in casual conversation when talking about simple personal reasons, as it sounds overly serious or argumentative. Use 理由 instead for everyday situations.
Grammar color guide
Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector
Grammar guides
- QuestionsFrom yes or no questions to asking who, what, where, and when. The patterns you need to ask questions naturally in Cantonese.
- ClassifiersCantonese puts a classifier between a number and a noun, and a bare classifier on its own can mean the. Learn the common ones and how to use them.
- ComparisonsHow to say bigger than, the most, the same as, and not as good as. Cantonese uses 過 where Mandarin uses 比, and that catches a lot of learners out.



