USE somethingif you have a particular skill at your command, you are able to use that skill well and easily 〔技能等〕娴熟,运用自如
a pianist with the keys at his command
在琴键上娴熟弹奏的钢琴家
Examples from the Corpus
at your command• Loyal, bondedsiliconbrains, hired for cheap and at your command, even if you were only 13.• Try to hire a carpenter with years of experience at his command.• A 12-hour alarm sounds off at your command.• Owen played with all the strength and passionat his command.• How can students cope with the limitedresourcesat their command?• In short, they have an explanatoryrhetoricat their command.• And nor would i lead my company to be slaughtered, at their command.• So he would protect himself, with all the weaponsat his command.• An old soldier, he had a few choice words at his command.