二者意思不同及語態(tài)不同，be impressed with留下深刻印象；be impressed by被……所感動，是指前者被后者感動，或者留下深刻印象，可以說是被動形式的。例：I was very impressed with their craftmanship.他們的工藝給我留下了深刻印象。

be impressed with/by的區(qū)別

be impressed by的意思是“被……所打動”

be impressed with的意思是“對……留下了深刻的印象”

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

您或許沒有被這個(gè)小小的功能打動。

2、We are impressed with the standard of the children's work.
這些兒童作品的水平之高,給我們留下了深刻的印象。