be impressed with/by的区别

二者意思不同及语态不同，be impressed with留下深刻印象；be impressed by被……所感动，是指前者被后者感动，或者留下深刻印象，可以说是被动形式的。例：I was very impressed with their craftmanship.他们的工艺给我留下了深刻印象。

be impressed with/by的区别

be impressed by的意思是“被……所打动”

be impressed with的意思是“对……留下了深刻的印象”

1、You may not be impressed by this little feature.

您或许没有被这个小小的功能打动。

2、We are impressed with the standard of the children's work.
这些儿童作品的水平之高,给我们留下了深刻的印象。