have a good command of (something)

To be knowledgeable about or skilled in a particular area or thing. If you don't have a good command of the course material, then you won't do well on the exam.See also: command, good, have, of

have a good command of something

to know something well. Bill has a good command of French. Jane has a good command of economic theory.See also: command, good, have, of

have a good command of

Have the ability to use or control; have mastery of. For example, She has a remarkably good command of Japanese, or He had a good command of his emotions. [Mid-1600s] See also: command, good, have, of

单词	have a good command of (something)
释义	have a good command of (something) have a good command of (something) To be knowledgeable about or skilled in a particular area or thing. If you don't have a good command of the course material, then you won't do well on the exam.See also: command, good, have, of have a good command of something to know something well. Bill has a good command of French. Jane has a good command of economic theory.See also: command, good, have, of have a good command of Have the ability to use or control; have mastery of. For example, She has a remarkably good command of Japanese, or He had a good command of his emotions. [Mid-1600s] See also: command, good, have, of
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