The phrase "a steady command of" is correct and usable in written English.
It can be used to describe someone's consistent and proficient understanding or control over a subject or skill.
Example: "Her steady command of the language allowed her to communicate effectively in any situation."
Alternatives: "a strong grasp of" or "a firm understanding of".
With a steady command of the literature and the history of each place he visits, he tries "to read landscapes back into being".
This is the last debate for at least three weeks and Mitt Romney will try to exit this series of almost weekly Republican presidential candidate forums just as he entered it: showing a steady command of the issues and carefully avoiding any gaffes or other errors.
The importance of the likeability factor in politics versus having a steady command of the issues and governance has been endlessly debated and hashed over.
Ever since Sept. 11, President Bush has used his steady command of the war and his soaring approval ratings to his enormous political advantage.
The story of self-discovery that Ms. Wells leads Frances, a writer, through is eminently superficial, though the director keeps the movie going with a steady, commanding hand.
It's a good idea to have a steady chain of command- but make sure that everyone on the team is sure that they want the leader to be the leader.
Just like major corporations, freelancers must rely on branding to secure a steady flow of gigs and command higher rates.
Williams, the 25th seed, took command early with a steady stream of winners and powerful serves.
And how do you get differentiated skills that enable you to command a premium and get a steady stream of work?
But Billups will command the room, hold teammates accountable and provide a steady dose of perspective.
Bin Laden's successor, Ayman al-Zawahiri, has released a steady number of videos over the past year, but has not commanded the global stage in the way Bin Laden did.
