维护
They maintained that ghosts had no substance. 他们认为鬼魂不是实物。
To sum up, only when strict punishment can be imposed on the lawless, can social stability be maintained. 总之，唯有当严刑峻罚加之于违法之徒时，才能维持社会安定。
The car has to be constantly maintained. 汽车必须经常保养。
They all maintained a reverent silence. 他们都保持肃静。
The proper intervals should be maintained between vehicles. 车辆之间应保持适当的间距。
The old machine is well maintained and looks as good as new. 这台旧机器维护得很好，看起来像新的一样。
