не заметил разницы

didn't notice the difference

→ не
phrase Rare #36,564
didn't notice the difference The phrase literally means “didn't notice the difference.” The form changes with the speaker's gender and tense, such as не заметила разницы (“didn't notice” said by a woman) and не заметишь разницы (“you won't notice the difference”).
RU: Я не заметил разницы между этими двумя фотографиями.
EN: I didn't notice a difference between these two photos.

Я не заметил разницы между ними.

I didn't notice any difference between them.

Том сказал, что не заметил разницы.

Tom said he didn't notice the difference.

Он не заметил разницы, а я заметил.

He didn't notice the difference, but I did.

Я не заметил разницы.

I didn't notice any difference.