American Standard Version (ASV):
Behold, I have made thee [to be] a new sharp threshing instrument having teeth; thou shalt thresh the mountains, and beat them small, and shalt make the hills as chaff.
King James Version (KJV):
Behold, I will make thee a new sharp threshing instrument having teeth: thou shalt thresh the mountains, and beat [them] small, and shalt make the hills as chaff.