The phrase “Let’s call it a day” means that it’s time to stop working for the day or to end a particular task or activity. It’s a friendly and informal way to suggest ending work and taking a break. You can think of it as another way of saying “let’s finish for today”.
Here are two examples in sentences:
Example 1:
After a long day of hiking, John looked at his tired friends and said, “Let’s call it a day” to suggest they should set up camp and rest.
Example 2:
After several hours of studying for their test, Maria suggested to her study group, “Let’s call it a day. We can pick up where we left off tomorrow.”
And here are two examples in conversation:
Example 3:
Mike: We’ve been working on this project for hours now.
Emma: You’re right, Mike. Let’s call it a day and continue tomorrow.
Example 4:
Lisa: I’m getting really tired and we’ve already painted three rooms.
Tom: I agree, Lisa. Let’s call it a day and finish the rest tomorrow.
So, when you say “let’s call it a day”, it shows that you believe enough progress has been made and that it’s time for a well-deserved rest. It’s a gentle and cooperative way to suggest ending a task or activity for the day.