jat6 ji5 gai3 je6日以繼夜日以继夜
Jyutpingjat6 ji5 gai3 je6
Yaleyaht yíh gai yeh
Definition
To work or do something day and night without stopping.
colloquialworktime
How it's used
This idiom carries a sense of extreme intensity and relentless effort, often used to describe high pressure work environments or academic study. It implies a continuous, unbroken duration of activity that extends across the entire day and night cycle. While it sounds slightly more formal than everyday slang, it is frequently used in casual conversation to emphasize how hard someone is pushing themselves.
Examples
They are rushing to finish the report day and night.
Related words
Common phrases
to work day and night
to rush day and night
Common mistake
Learners often mistakenly use this for any long period of time, but it specifically emphasizes the lack of rest between day and night. It is not meant for general long-term projects that have breaks or normal working hours.
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.
