1·He maintained order by sheer force of personality.
他纯凭人格力量维护秩序。
—— 《牛津词典》
2·It also means having private space dedicated to work: the space must be heated, cleaned, maintained and paid for.
这也意味着要有专门用来工作的私人空间：要考虑到这个办公空间的供暖、清洁、维护和所需费用。
3·The problem is that the road is too narrow and badly maintained while the traffic here is heavier than anywhere else.
问题在于这条路太窄了，维护不善，而且这里的交通比其他地方都要拥挤。
4·Machinery ought to be well maintained all the time.
机器应该随时注意维护。
—— 《新英汉大辞典》
5·But there is a worry over whether the cables will be properly maintained.
但同时也存在这样的担心，即光缆是否能得到恰当地维护。