NET
5 But the horde of invaders will be like fine dust, the horde of tyrants like chaff that is blown away. It will happen suddenly, in a flash.
Darby
5 And the multitude of thine enemies shall be like small dust, and the multitude of the terrible ones as chaff that passeth away; and it shall be in an instant, suddenly.
KJV
5 Moreover the multitude of thy strangers shall be like small dust, and the multitude of the terrible ones [shall be] as chaff that passeth away: yea, it shall be at an instant suddenly.