If an object or achievement is impressive, you admire or respect it, usually because it is special, important, or very large.

That was an impressive performance from such a young tennis player. 这么年轻的网球选手居然打得那么好。

an impressive collection of modern paintings 令人赞叹的现代绘画收藏品

There are some very impressive buildings in the town. 镇上有一些非常雄伟的建筑物。

If someone is impressive, you admire or respect that person for their special skills or abilities.

She's a very impressive public speaker. 她是个不同凡响的演说家。