Romans 1:31

NIV: they have no understanding, no fidelity, no love, no mercy.

NAS: without understanding, untrustworthy, unloving, unmerciful;

KJV: Without understanding, covenantbreakers, without natural affection, implacable, unmerciful:

GWT: don't have any sense, don't keep promises, and don't show love to their own families or mercy to others.

ASV: without understanding, covenant-breakers, without natural affection, unmerciful:

BBE: Without knowledge, not true to their undertakings, unkind, having no mercy:

DBY: void of understanding, faithless, without natural affection, unmerciful;

DRB: Foolish, dissolute, without affection, without fidelity, without mercy.

WBS: Without understanding, covenant-breakers, without natural affection, implacable, unmerciful:

WEB: without understanding, covenant breakers, without natural affection, unforgiving, unmerciful;

YLT: unintelligent, faithless, without natural affection, implacable, unmerciful;