student asking question

What's "crystal clear" mean and when's it used?

teacher

Native speaker’s answer

Rebecca

Physically, "crystal clear" means transparent and unclouded. Metaphorically, "crystal clear" means easy to understand or very clear and obvious. It can be used when you understand something completely, usually when someone's explaining something to you. Or if what's portrayed is very obvious. Ex: She made it crystal clear that she didn't want me at her party. Ex: Make sure the assignment brief is crystal clear to you before you start the project.

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