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Learn the meaning, origin, and usage of the idiom "Call it a day" with five example sentences across different contexts. This idiom is part of ourEveryday Casual & Workplace collection for PTE and IELTS preparation.

The phrase evolved from the 19th-century expression 'call it half a day,' used by workmen who left a job site before their shift was officially over. By the early 20th century, it expanded to 'call it a day,' implying that a full, satisfactory amount of work had been completed. Over time, it transitioned from strictly blue-collar industrial usage to a universal idiom for concluding any activity.
We have made excellent progress on the quarterly presentation, so let's call it a day and review the remaining slides tomorrow morning.
My legs are completely exhausted from this hike, so let's call it a day and head back to the campsite.
When research participants show signs of extreme fatigue, investigators must call it a day and schedule the remaining cognitive tests for a subsequent session.
After sixteen hours of intense, deadlock negotiations at the summit, the diplomats finally decided to call it a day without reaching a trade agreement.
As we look at everything our charity foundation has accomplished this evening, I think we can successfully call it a day and celebrate our fundraising milestone.
A. I need to call it a day to wake up early tomorrow morning so my alarm can ring.
B. We have been debugging this software loop for six hours without any success, so let's call it a day and start fresh tomorrow.
C. She decided to call it a day by calling her mother on the phone to chat about her schedule.
D. The weather forecast says it will rain, so make sure to call it a day before you leave the house with an umbrella.