translation.en: Okay, I hear you were laughing nervously because you too could hear that the drill was a little bit sharp, the intonation was a little questionable.  Let's watch just another clip.
translation.zh: 好吧,我听到你们在偷偷笑 因为你听到了这段有点刺耳 音调很奇怪. 让我们看另外一个