blot your copybook
(verb phrase)
Giải nghĩa:
To make a mistake or behave badly, which ruins your reputation or your relationship with other people
To make a mistake or behave badly, which ruins your reputation or your relationship with other people
Ví dụ:
He blotted his copybook when he was caught stealing in the office.
He blotted his copybook when he was caught stealing in the office.
Cách sử dụng
The expression "blot your copybook" is used to indicate that someone has done something wrong or made a mistake that could have negative consequences. It comes from the idea of students writing in a school notebook or "copybook," and if they made a mistake or a blot on the page, it would look bad and might affect their grades or reputation. So, to "blot your copybook" means to do something that could harm one's reputation or cause trouble. For example, "If you're late to work again, you'll really be blotting your copybook with the boss."
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