To give or make an impression — to leave a certain impression (positive, negative, strong, etc.) on someone.
第一印象は重要で、清潔な服装は良い印象を与える。
First impressions are important, and clean clothing gives a good impression.
彼のプレゼンは聴衆に強い印象を与えた。
His presentation made a strong impression on the audience.
この色の組み合わせはモダンでプロフェッショナルな印象を与える。
This color combination gives a modern and professional impression.