impress /imˈpres/ vt. 1. 压出印记，印上：impress a design on cloth 把一种设计花样印在布上He impressed the pot with his seal. = He impressed his seal on the pot. 他把自己的图章盖在壶上。 2.使深深印在；给…留下印象：His words are strongly impressed on my memory. 他的话深深印在我的脑子里。The woman impressed me most unfavourable. 这个女人给我留下了很不好的印象。The book did not impress me at all. 这本书没给我留下什么印象。be impressed by/at/with sth.(sb.)某事（某人）留下了深刻的印象：I was not overly impressed by the proposals.［考句］I was impressed with the efficiency（效率）of the work done in the company.该公司的工作效率给我留下了深刻的印象。

 impression /imˈpreʃən/ n. ［c］ 印象，感觉：The headmaster made a bad impression on the parents. 校长给家长的印象很糟糕。Such was my immediate impression. 那就是我的即时(第一)印象。 I had the impression that she chose her words with care. 我有这么个印象，她十分注意选词。He gives people the impression of having spent all his life abroad.他给人们的印象是他一直在国外度过。under the impression 有…的印象，认为：He is under the impression that I did it. 他老是觉得是我干的那件事。

impressive /imˈpresiv/ adj. 给人深刻印象的：an impressive book 一本使人留下深刻印象的书 His speech was impressive. 他的讲话发人深省。