15 For I will give you words and wisdom that none of your adversaries will be able to resist or contradict.

15 for I will give you a mouth and wisdom, which none of your adversaries will be able to withstand or contradict.

15 For I will give you a mouth and wisdom, which all your adversaries shall not be able to gainsay nor resist.

15 for I will give you the right words and such wisdom that none of your opponents will be able to reply or refute you!

15 I will give you the wisdom to say things that none of your enemies will be able to stand against or prove wrong.

15 for I will give you a mouth and wisdom, which all your adversaries shall not be able to withstand or to gainsay.

15 for I will give you a mouth and wisdom which all your opposers shall not be able to reply to or resist.

15 I will give you words and wisdom that none of your enemies will be able to oppose or prove wrong. 

15 for I will give you such words and a wisdom that none of your adversaries will be able to resist or contradict.

15 for I will give you words and a wisdom that none of your opponents will be able to withstand or contradict.

15 for I will give you a mouth and wisdom that all your opponents will not be able to resist or contradict.

15 I will give you words of wisdom. None of your enemies will be able to withstand them or oppose them.

15 for I will give you utterance and wisdom which none of your opponents will be able to resist or refute.