NET

12 With regard to our brother Apollos: I strongly encouraged him to visit you with the other brothers, but it was simply not his intention to come now. He will come when he has the opportunity.

Darby

12 Now concerning the brother Apollos, I begged him much that he would go to you with the brethren; but it was not at all [his] will to go now; but he will come when he shall have good opportunity.

KJV

12 As touching [our] brother Apollos, I greatly desired him to come unto you with the brethren: but his will was not at all to come at this time; but he will come when he shall have convenient time.