Why do you remember what a word means but not how it was spelled?
What makes a fact stick is not how many times you saw it, but how deeply you thought about what it means.
Memory depends on how you process something, not how long you stare at it. Handle a word at the surface (its color, its spelling, its sound) and it fades fast. Handle it for meaning (what it refers to, how it connects to things you already know) and it stays. Deeper, meaning-based processing builds a richer trace with more routes back to it, which is why rote repetition is a weak way to learn.
Reading a new colleague's name badge ten times barely helps, but thinking "Huong, like the perfume river in Hue" makes the name stick after one pass.
To remember something, do something with its meaning - link it, explain it, give it a why - instead of just rereading it.
When you study or prep for a meeting, swapping rereading for one real meaning question per item gets you far more recall for the same minutes.
Shallow washes off, deep stays: meaning is the glue, repetition is just water.
Learn the idea and practice English at the same time.