упорно настаивать(на своём, на чём-либо: I find it very odd that Republicans kept pressing the point that an FBI investigation doesn't make a final determination.4uzhoj)
настаивать(That is the only scene I asked Waugh to leave out. But he didn't agree, and I didn' t press the point. • She gave no answer, so I didn't press the point.bigmaxus)