1.Your very effective recital of British war effort will greatly impress world public opinion.
你对于英国在大战中的努力作了很精辟的报告，这将使世界舆论得到深刻的印象。
2.The true-life story depicted in this film will greatly impress the audience.
片中描述的真实生活将给观众留下很深的印象。
3.which can greatly impress not only the resident living in it but also the visitors .
可以大大留下深刻的印象，不仅居民生活在，而且还参观。
4.knock someone dead (informal)greatly impress someone
（非正式）给某人留下深刻印象