"We hate to guess what sort of dreadful result would be brought about if the missile is actually test-fired."
What is that suppose to mean?
We hate to guess what sort of dreadful result would be brought about if the missile is actually test-fired. It was right for the Korea and U.S. government to express concern, urging the North to stop the preparation immediately.
I think the writer expresses concern that 6 party talks would be done with.