Brush on and Polish up

Brush on verb - Apply with a brush.

Polish up and brush on are semantically related. in review something intensely topic. In some cases you can use "Polish up" instead a verb phrase "Brush on", when it comes to topics like refresh the memory.

Polish up verb - Bring to a highly developed, finished, or refined state.

Brush on and polish up are semantically related. Sometimes you can replace phrase "Brush on" with "Polish up", this terms are similar.