"To be bound by words."
"to be bound by ~" 「〜に縛られる」
"words" 「言葉」
"To have it held against me." 「それに縛られる」
"I don't want to put it in words because if I do, I will be bound by them."
「言葉にすると言葉に縛られそうだから言葉にはしないでおくね」
"I'm not going to say it because if I do, it will be held against me." も言えます。