Roll out the red carpet 隆重欢迎
Red carpets were traditionally used for welcoming royalty and heads of state, though these days they are often used for celebrity events. The earliest reference to a 'red carpet' in this sense was is in a play by the Greek dramatist Aeschylus in 458 BC.
To roll out the red carpet 铺上红地毯的意思是“隆重热烈欢迎某人，给与最高待遇”。
Tom rolled out the red carpet for his girlfriend on her birthday. He bought her a beautiful necklace and made her a Thai curry with fresh spices.
When the new clients come next week let's roll out the red carpet. Why not take them to that amazing five-star French restaurant?
另一个短语 to sweep something under the carpet 把什么东西扫到地毯下面, 意思是“逃避或者隐瞒什么问题”。
If you make a mistake don't just sweep it under the carpet. It's always better to admit it.