We have much to say about this, but it is hard to make it clear to you because you no longer try to understand.
OJBWe have much to say about this for which it is difficult to make a midrash, als (since) you have become spiritually hard-of-hearing.
TCENTOn this topic we have much to say, and it is hard to explain, since you have become sluggish in hearing.
T4TAlthough there is much to say to you(pl) about how Christ resembles Melchizedek, this is hard for me to explain to you because you now understand things so slowly.