in your mind's eye
to jog someone's memory
be etched on someone's mind
to have a senior moment
to go in one ear and out the other
to have memory like a sieve
to take a trip down memory lane
to lose your train of thought
to feel embarrassed because of not being able to remember sth obvious
The day my son was born is just ...
In... , she is still a little girl of six, although she's actually a grown woman
to be extremely forgetful
When you help someone to remember something they have forgotten, you ...
to be distracted
To reminisce over memories of past events, especially happy ones
to ignore or quickly forget what you've heard