be impressed with：留下深刻印象。与其区别的是，be impressed by被...所感动；被...给予深刻印象。

【例句】
We should be impressed with a person's ability,not what they wear.
我们应该关注一个人的能力而不是她们的穿着。

I was impressed by the high calibre of the researchers and analysts.
研究人员和分析人员的高素质给我留下了深刻印象。