不断: unceasing, uninterrupted, continuous, constant...
恰到好处: it's just perfect, it's just right...
恳求: to beg, to beseech, to entreat, entreaty...
折腾: to toss from side to side (e.g. sleeplessly), to repeat sth over and over again, to torment sb, to play crazy, to squander (time, money)...