brush up

Found in Anh - Anh (Wordnet)

Definition Verb (transitive and intransitive): 1. To refresh or improve one's knowledge or skill in a particular area: To practice or study something again in order to regain or improve proficiency that may have been forgotten or become rusty. 2. To make neat, clean, or tidy: To give something a quick cleaning or grooming to improve its appearance. (This meaning is less common for the phrasal v...