Oh. I see. owo; You're still doing better than what I'd do...
Ah, you noticed the Hiragana? xD It happens to be the catchprase of a certain redheaded black-clad videogame character with a freakishly huge fanbase =w= /vague description is vague or not...
In the English translation of the games the phrase was localized to "Got it memorized?" And the literal translation is more or less the same thing. Sooo yeah.
Be glad that I was too lazy to look up the correct kanji for "kioku"