dai1 siu1低燒低烧
Jyutpingdai1 siu1
Yaledāi sīu
Definition
Low-grade fever; a mild fever where an adult's body temperature is around 37.5°C to 38.5°C.
colloquialhealth
How it's used
Medical professionals often use this term to describe a persistent, mild elevation in body temperature that does not reach the threshold of a full fever. It is frequently used in casual conversation to explain why someone might feel slightly unwell or lethargic without being completely bedridden. Unlike a high fever, which implies an acute illness, a low-grade fever is often associated with chronic fatigue or a lingering cold.
Examples
Do you have a low-grade fever? Your forehead feels very hot.
Related words
Common phrases
persistent low-grade fever
Common mistake
Do not confuse this with high fever, which is referred to as 高燒. Learners sometimes mistakenly use 低燒 to describe feeling cold or having chills, but it specifically refers to the physical measurement of body temperature.
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.



