The phrase "a command of the language" is correct and usable in written English.
It can be used to describe someone's proficiency or mastery in a particular language.
Example: "Her command of the language allowed her to communicate effectively with native speakers during her travels."
Alternatives: "proficiency in the language" or "mastery of the language."
Direct, concise and evocative, this sentence forever puts to rest any criticism that George W. Bush does not possess a command of the language.
Now, in Oldham at least, any work to be had is in offices or banks or dry cleaners, where a command of the language is far more important than in a textile mill.
One expat, Cathy Jones, wrote: "I agree that too many expats live here for years in a bubble without a command of the language beyond nasi goreng [fried rice]..
She has lived in Georgia since 2001, has become a Georgian citizen and gained a command of the language (it is "improving every day", says Mr Saakashvili .By the standards of her family, a spot of diplomacy in Berlin is not particularly exotic.
He has a command of the language about "social" and the "cloud" that resonates with business.
A command of the language spoken in your country.
Our commander-in-chief has a command of the English language.
Piers has such a command of the English language that he had already used every blinking adjective I had in my head before I opened my mouth.
A Clue to the Exit by Edward St Aubyn I think Edward St Aubyn is the greatest living English novelist: he's funny, honest and has a command of the English language that is astonishing.
The speech in Wisconsin was witty, hard-hitting, largely empirically accurate and demonstrated a command of the English language that his predecessor simply did not have.
In addition to the application, naturalization applicants are subject to an in person interview at which time they may be required to show a command of the English language and to pass a U.S. history exam.
