形容会议高大上怎么说英语

To describe a meeting as being "high-end" or "upscale," you could say that it is "elegant," "sophisticated," "luxurious," or "impressive." You could also say that it is "lavish," "grand," or "opulent." Other words that might be used to describe a meeting that is considered high-end or upscale include "exclusive," "distinguished," and "prestigious." Depending on the context, you might also use more specific adjectives to describe the meeting, such as "glamorous," "stylish," or "posh."