I can do that without moving my jaw or my lips or my cheeks at all. It's just the tongue.

我可以做到这一点，根本不用移动我的下巴、我的嘴唇或我的脸颊。这只是舌头。

In the, in the, in the, in the. You should be able to do it without moving your jaw at all.

在，在，在，在。你应该完全不用动下巴就可以做到。