Phrase Explanation: How Could You Be So Stupid?

When someone says, “how could you be so stupid?“, they’re expressing their disbelief or disappointment about a mistake or a poor decision someone has made. It’s like asking someone how they could make such an obvious error or behave in such a thoughtless way.

Here are two examples in sentences:

Example 1:
How could you be so stupid to leave the car keys inside the locked car?” Sarah asked her brother.

Example 2:
When Mike realized he had forgotten to save his work before the computer crashed, he asked himself, “How could I be so stupid?

Now, let’s see two examples in a conversation:

Example 3:
Emma: Hi, Tom! I heard about the accident. Are you okay?
Tom: I’m fine, Emma, but I can’t believe I ignored the wet floor sign. How could I be so stupid?

Example 4:
Lucy: Hey, John! Why did you try to fix the electrical outlet by yourself? You could have gotten hurt.
John: I know, Lucy. How could I be so stupid? Next time, I’ll call a professional.

Remember, when someone says “how could you be so stupid?“, they’re expressing disappointment or surprise about a mistake or a poor decision. However, it’s important to use this phrase carefully, as it can be hurtful and disrespectful. It’s always better to express concern or disappointment in a considerate and understanding way.

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