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

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

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

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