See what they spew from their mouths – the words from their lips are sharp as swords, and they think, "Who can hear us?"
NIV
Behold, they belch out [insults] with their mouths; swords [of sarcasm, ridicule, slander, and lies] are in their lips, for who, they think, hears us?
AMP
Behold, they belch out with their mouth: swords are in their lips: for who, say they, doth hear?
KJV