en_tn_condensed/2pe/03/09.md

The Lord is not slow concerning his promise

"The Lord is not slow to fulfill his promise." The noun "promise" can be expressed as a verb. Alternate translation: "The Lord will not delay in doing what he promised to do" (See: rc://en/ta/man/jit/figs-abstractnouns)

his promise

This is the Lord's promise to return.

as some consider slowness to be

Some people think that the Lord is slow to fulfill his promise because their perspective of time is different from God's.