お忘れなく
I'll try to remember that.
ゆめ忘るな
to forget something
思い出さずに
Be ever present to your mind
will never forget
to forget oneself―lose oneself (in admiration)―be lost (in admiration)―be absorbed (in study)―be engrossed (in one's business)―be beside oneself (with joy or grief)
You must not forget.
忘れる.
to carelessly forget to say something
to be forgotten―pass out of mind―pass out of one's memory―fade from one's memory―escape one's memory―slip one's memory―fall into oblivion―be buried in oblivion
忘れちまえ!