He had a good command of the English language.
Whether he had come from across the sea or not, his deep voice sounded with a good command of our language.
He's got good command, but none of his pitches really stand out.
He had a good command, developed in childhood, of the main European languages.
In between, though, Smith allowed just one hit and appeared to have good command.
I guess I had a good command of speech even then.
He did not have good command, and four of the six runs Texas scored off him came after walks.
A good command of the prevailing office language and the ability to type is essential.
"I don't think he had good command of the fastball tonight."
Much of course is due to good training, good command.