If you just listen to each lesson one time, or a few times, one or two days, you will not speak English easily, confidently and automatically like a native speaker. You will be entertained, maybe. You might enjoy. You might learn a couple words, but you’re not going to learn how to speak like a native speaker. To do what you’ve got to really have this deep level of repetition. I know you’re serious about it so you’re going to do it. Good luck.
pounce. To pounce actually means to be ready to quickly jump on someone from behind. The lion was about to attack, to jump on the dog from behind. The lion was about to pounce on the dog.