using freely; making full use of; having a good command of
working (someone) hard; driving (someone) on
彼は三か国語を駆使する。
He has a good command of three languages.
技術を駆使して問題を解いた。
I solved the problem using all my skills.
想像力を駆使した作品だ。
It's a work that makes full use of imagination.