Meaning of the word "day and night" in English

What does "day and night" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

day and night

US /deɪ ænd naɪt/
UK /deɪ ænd naɪt/
"day and night" picture

Idiom

1.

all the time; continuously

Example:
He worked day and night to finish the project on time.
The baby cried day and night, making it hard for them to sleep.
Learn This Word at Lingoland