"高大上" is a colloquial term in Chinese that can be translated to "impressive" or "magnificent" in English. It comes from the Chinese characters 高 (gāo) meaning "high" or "tall" and 大上 (dà shàng) meaning "grand" or "elevated."

Here are some examples of how you might use "impressive" in English:

"The new skyscraper in the city center is truly impressive."

"I was impressed by the intricate designs in the ancient temple."

"Her singing voice is impressive, she could be a professional singer."

In Chinese, these sentences might be translated as:

"市中心的新摩天楼真高大上。"

"我对古庙里精致的设计感到非常高大上。"

"她的歌喉非常高大上，好像是专业歌手似的。"