What bad luck, nothing came of my trip.

白跑一趟，真冤！

《新英汉大辞典》

Also, if you trip up -bad luck you miss a note -, as you do it you have in front what you're supposed to be playing, and it is much easier to get out of the trip-up.

另外，如果你在演奏时非常不幸漏掉了一个音符，那么你会回到前面，再弹一遍没有问题的。

youdao

Also, if you trip up -bad luck you miss a note -, as you do it you have in front what you're supposed to be playing, and it is much easier to get out of the trip-up.

另外，如果你在演奏时非常不幸漏掉了一个音符，那么你会回到前面，再弹一遍没有问题的。

youdao