Berean Standard Bible (BSB)
For not a word they speak can be trusted; destruction lies within them. Their throats are open graves; their tongues practice deceit.
World English Bible (WEB)
For there is no faithfulness in their mouth. Their heart is destruction. Their throat is an open tomb. They flatter with their tongue.
Strong's King James
For there is no faithfulness{H3559}{(H8737)} in their mouth{H6310}; their inward{H7130} part is very wickedness{H1942}; their throat{H1627} is an open{H6605}{(H8803)} sepulchre{H6913}; they flatter{H2505}{(H8686)} with their tongue{H3956}.
The F.O.G *
Surely, nothing they say is reliable Their innermost destroys Their throat is an open grave Their tongue is slippery smooth
The F.O.G Message *
Young's Literal Translation
For there is no stability in their mouth. Their heart is mischiefs, An open grave is their throat, Their tongue they make smooth.