His disciples said to him, "If such is the case for a man with a wife, then it is not expedient to marry.
Other versions
King James Version
His disciples say unto him, If the case of the man be so with his wife, it is not good to marry.English Standard Version
The disciples said to him, "If such is the case of a man with his wife, it is better not to marry."New International Version
The disciples said to him, "If this is the situation between a husband and wife, it is better not to marry."