1.then it's an uphill battle, and one I almost always lose. Because after a week or two of doing this, you'll lose enthusiasm.
时，那接下来将有一场艰难的斗争，一场我永远只会输的斗争，因为一两周后，热情便消失殆尽了。
2.But a time comes when you lose enthusiasm. You see those in the Spanish national team are playing at a different level.
但这段时间我失去了我的激情，你看到那些在西班牙国家队的队友在另一个等级上踢球。
3.When you burn out, you lose enthusiasm, I always loved computers. all of a sudden I just didn't CARE.
一个人失去了兴趣，就失去了热心，我向来热爱电脑，突然间我却一点也不在乎
4.To cause to lose enthusiasm; disillusion
使失去热情，使幻想破灭：