This verse is similar to 4.8 and 6.9, with the difference that the title for God here is the longer one LORD of hosts. For this expression, see the comments on Hag 1.2.
Quoted with permission from Clark, David J. & Hatton, Howard A. A Handbook on Zechariah. (UBS Helps for Translators). New York: UBS, 2002. For this and other handbooks for translators see here .