grey out
中高级 (B2) neutral
When something becomes dull grey and hard to see or use — like a button on a computer screen that you can't click.
"The 'save' button will grey out automatically if you haven't made any changes to the document."
When something becomes dull grey and hard to see or use — like a button on a computer screen that you can't click.
"The 'save' button will grey out automatically if you haven't made any changes to the document."