KJV - Of whom we have many things to say, and hard to be uttered, seeing ye are dull of hearing.

ASV - Of whom we have many things to say, and hard of interpretation, seeing ye are become dull of hearing.

BBE - Of whom we have much to say which it is hard to make clear, because you are slow of hearing.

WEB - About him we have many words to say, and hard to interpret, seeing you have become dull of hearing.

YLT - concerning whom we have much discourse and of hard explanation to say, since ye have become dull of hearing,

Notes