Condition: the state that sth is in 状态;状况
to be in bad/good/excellent condition
处于糟糕的╱良好的╱极佳的状态
a used car in perfect condition
车况完好的旧车
Servicing: the act of checking and repairing a vehicle, machine, etc. to keep it in good condition (交通工具、机器等的)检修,维修,保养,维护
Like any other type of equipment it requires regular servicing.
它和其他类型的设备一样,也需要定期检修。
Fix: to repair or correct sth 修理;校准;校正
The car won't start─can you fix it?
这辆车发动不起来了 你能修理一下吗?
I've fixed the problem.
我已解决了这个问题。