"Dificil, eh?" means " Difficult, isn't it?") Alright. I have to see this one more time.

很难不笑，不是吗）,我要再看一遍。

哈佛公开课 - 幸福课课程节选

Press one more time - Press one more time Ok.So we don't have--we don't All right. We are going to just leave these up.

再按一次Fa键,-再按一次Fa键,可还是没有,我们不管它了

耶鲁公开课 - 聆听音乐课程节选