Psalm 140:3

NIV: They make their tongues as sharp as a serpent's; the poison of vipers is on their lips.

NAS: They sharpen their tongues as a serpent; Poison of a viper is under their lips. Selah.

KJV: They have sharpened their tongues like a serpent; adders' poison is under their lips. Selah.

GWT: They make their tongues as sharp as a snake's [fang]. Their lips hide the venom of poisonous snakes. [Selah]

ASV: They have sharpened their tongue like a serpent; Adders poison is under their lips. Selah

BBE: Their tongues are sharp like the tongue of a snake; the poison of snakes is under their lips. (Selah.)

DBY: They sharpen their tongues like a serpent; adders' poison is under their lips. Selah.

DRB: They have sharpened their tongues like a serpent: the venom of saps is under their lips.

WBS: They have sharpened their tongues like a serpent; adder's poison is under their lips. Selah.

WEB: They have sharpened their tongues like a serpent. Viper's poison is under their lips. Selah.

YLT: They sharpened their tongue as a serpent, Poison of an adder is under their lips. Selah.