If you fast-forward a recording, or if it fast-forwards, you make it play at very high speed so that you get to the end or a later part more quickly.

I hate this song - I'll fast-forward to the next one. 我讨厌这首歌，我要快进到下一首。

The tape jammed while I was fast-forwarding it. 我快进的时候，磁带卡住了。