Other possible reasons include problems with the oil pump, rod and main bearing clearances, camshaft endplay, or CAM bearings and lifters.
其他可能的原因包括油泵问题，杆和柱轴承之间的空隙，凸轮轴停止工作或者凸轮的方位和升降等。
2
It is unfair to ask doctors to play God and end someone's life.
让医生扮演上帝的角色结束一个人的生命是不公平的。
《牛津词典》
3
He observed that if there are too many toys in front of Cameron, he will just keep moving round them and then end up going away and finding something like a slipper to play with.