Dave Bonta's short poem puts us in a cold, old office where speaking up feels pointless. The first line is heavy with sound: "bitter cold old office" repeats its blunt, rounded vowels, so the place feels stuck and worn out. The speaker says "no good speaking out," which suggests resignation. Whether the silence comes from experience or from fear, the poem doesn't say, but the tone is flat and tired.
The second stanza turns to the title's idea. Doubt is "powdered ice / in the mouth." It's a sharp image: powdered ice is fine, dry, and numbing, and it makes speech hard. Doubt here isn't a loud argument in the head; it's a physical chill that keeps the words from forming. The cold of the room and the cold of the doubt become the same thing. The mood is quiet, bleak, and a little claustrophobic, like holding your tongue because the air itself seems to demand it.