mou4 san4 san4無神神无神神
Jyutpingmou4 san4 san4
Yalemòuh sàhn sàhn
Definition
All of a sudden; out of the blue; without any warning or sign.
colloquialdescriptions
How it's used
Conveys a sense of confusion or bewilderment, implying that the action described lacks any logical cause or prior warning. It is frequently used when someone behaves in an unexpected or eccentric way, highlighting the absurdity of the situation. The term often carries a slightly critical or questioning tone.
Examples
Why are you losing your temper all of a sudden?
He bought me a gift out of the blue.
Related words
Common phrases
to go crazy for no reason
to start laughing out of nowhere
Common mistake
Learners sometimes confuse this with 突然, but 無神神 specifically emphasizes the lack of a discernible reason or context, whereas 突然 simply focuses on the timing of an event.
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.



