to review; to improve an existing but rusty or under-developed skill

listen to the pronunciation of to review; to improve an existing but rusty or under-developed skill
الإنجليزية - الإنجليزية

تعريف to review; to improve an existing but rusty or under-developed skill في الإنجليزية الإنجليزية القاموس.

To review; to improve an existing but rusty or under-developed skill.
brush up

I'll need to brush up on my Greek before my trip to Athens.

to review; to improve an existing but rusty or under-developed skill
المفضلات