v. 延伸过长( overstretch的现在分词 )；

[例句] Dr Boutros Ghali said the operation would overstretch resources...

[例句] Do what you know you can do well and don't overstretch yourself...

adj. 重量超过的，超载的；v. 超重的( overweight的过去式和过去分词 )；

N-UNCOUNT 鸟类学；

开幕式；

n. 装饰的，装饰用的( ornamental的名词复数 )；

v. 溢出，淹没( overflow的过去分词 )，充满，挤满了人，扩展出界，过度延伸；

[例句] Permission has not yet been granted for the airline to overfly Tanzania.

n. 八边形，八角形( octagon的名词复数 )；

一百；

abbr. Old-Age Pensioners 领养老金的；n. Old Age Pension 养老金( OAP的名词复数 )；

[例句] In 11 years I will be 60 and an OAP.

[例句] ...tickets only £6 each and half that for OAPs and kids.

v. 偶然听到( overhear的第三人称单数 )；

[例句] I overheard two doctors discussing my case.

[例句] ...snatches of overheard conversation.

v. 使（在法律或道义上）负有责任或义务( obligate的现在分词 )，对…施以恩惠；

[例句] The ruling obligates airlines to release information about their flight delays...

[例句] Under a separation agreement, he was obligated to pay his ex-wife £50,000 a year for life.

n. 长方形( oblong的名词复数 )；

[例句] ...an oblong table.

n. 高声叫喊，尖叫，公开反对( outcry的名词复数 )；

[例句] The killing caused an international outcry...

[例句] There was public outcry from those opposed to abortion.

v. 在重量上超过( outweigh的现在分词 )，在重要性或价值方面超过；

[例句] The medical benefits of x-rays far outweigh the risk of having them...

[例句] The advantages of this deal largely outweigh the disadvantages.

n. 热烈欢迎( ovation的名词复数 )；

[例句] They had lost by a wide margin, but their supporters gave them a defiant, loyal ovation.

n. 自然结果，副产物，生长物( outgrowth的名词复数 )；

[例句] Her first book is an outgrowth of an art project she began in 1988.

v. 使模糊，使混乱( obfuscate的第三人称单数 )，使糊涂；

[例句] They are obfuscating the issue, as only insurance companies can...

[例句] Macdonald accepted that such information could be used to manipulate, to obfuscate, and to mislead.

v. （向…）抛媚眼，送秋波( ogle的第三人称单数 )；

[例句] All she did was hang around ogling the men in the factory...

[例句] Paula is not used to everyone ogling at her while she undresses backstage.

n. （正式仪式中的）演说，演讲( oration的名词复数 )；

[例句] ...a brief funeral oration.

v. 智胜，以计谋胜过，比…更狡猾( outfox的第三人称单数 )；

[例句] There is no greater thrill than to bluff a man, trap him and outfox him.