jin4 hang4 bat1 jat1言行不一

Jyutpingjin4 hang4 bat1 jat1
Yaleyìhn hàhng bāt yāt

Definition

To say one thing and do another; one's actions do not match one's words.

neutralpeopledescriptions

How it's used

This idiom is used to criticize someone whose behavior contradicts their stated principles or promises. It carries a strong sense of moral disapproval and is often used in more serious or formal contexts despite being a four-character idiom. Unlike casual complaints about someone being unreliable, this term specifically highlights the hypocrisy between what is spoken and what is actually performed.

Examples

He is always saying one thing and doing another, just talking for the sake of it.
Don't be inconsistent in your words and actions; if you promised, you must do it.

Common phrases

to criticize someone for being inconsistent

Common mistake

Learners often mistake this for a simple adjective describing someone who is forgetful or disorganized, but it specifically implies a lack of integrity or hypocrisy. It is not used to describe someone who simply changes their mind due to new information.

Grammar color guide

Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector