If one chord holds twice as long or only half as long, then we have an irregular harmonic change--irregular rate of harmonic change.

如果某一个和弦持续的时间是其他和弦的两倍或者只有一半，这就是不规则的和声改变。

耶鲁公开课 - 聆听音乐课程节选

If he's going to sit there on one chord for that amount of time, it's going to go on for a long period of time.

既然作曲家能放任一个和弦行进这么久，他一定有的是时间。

耶鲁公开课 - 聆听音乐课程节选

And we will then get over to here, where he's sitting on the tonic chord, and we want to see how long he's going to hold this tonic chord. Okay?

接着再到这里来，他停在了主音和弦上，然后我们想看看他会在主音和弦上保持多久，好吧？

耶鲁公开课 - 聆听音乐课程节选