The house costs a fortune to maintain.

维修这房子花费巨大。

《柯林斯英汉双解大词典》

Few people nowadays are able to maintain friendships into adulthood.

现今很少有人能够把友谊维持到成年。

《柯林斯英汉双解大词典》

The superpowers pledged to maintain symmetry in their arms shipments.

这些超级大国承诺要在其武器运载上保持数量相等。

《柯林斯英汉双解大词典》

Farmers lack enough inputs to maintain soil fertility is parts of many developing countries, especially in Africa south of the Sahara.

VOA: special.2009.07.28

He would remain a virgin in order to prepare for and to maintain this incredibly important role as an epic poet.

他想保持自己的童贞,为了准备和保持作为史诗诗人这个无比重要的角色。

耶鲁公开课 - 弥尔顿课程节选

You should acquire overtime this instinctive aversion to just code or programs that just look ugly because things that look ugly generally are not easy to maintain.

对于代码和程序你会有一种本能的讨厌,这是因为这些代码和程序看起来很丑陋,并且不容易维护。

哈佛公开课 - 计算机科学课程节选

PricewaterhouseCoopers periodically inspects the walls of protection Credit Suisse has created to maintain its competitive advantage.

FORBES: Watch Out For The Quants

Notes are redesigned on a relatively frequent basis, in order to maintain security and prevent forgeries.

BBC: Sir Winston Churchill to feature on new banknote

They had proved unpopular with head teachers, who protested they undermined efforts to maintain discipline in schools.

BBC: Expulsions rise for second year