repair on technical conditions

例句：

1. 1. The car needs a repair before it can be driven again.
   这辆车需要修理才能再次行驶。
2. 2.The roof of the house needs to be repaired because of the leak.
   房子的屋顶需要修理，因为那里有漏水。
3. 3.The old clock needed a repair to work properly.
   旧时钟需要修理才能正常工作。