n. 猛攻，攻击( onslaught的名词复数 )；

[例句] The attackers launched another vicious onslaught on their victim...

[例句] The rebels responded to a military onslaught against them by launching a major assault on an army camp.

n. 寡头统治的政府( oligarchy的名词复数 )，寡头政治的执政集团，寡头统治的国家；

[例句] Athens was suffering under the rule of an oligarchy that had no concern for the people's welfare.

[例句] ...a protest against imperialism and oligarchy in the region.

n. 演讲术( oratory的名词复数 )，（用长词或正式词语的）词藻华丽的言辞；

[例句] He displayed determination as well as powerful oratory.

[例句] The wedding will be at the Brompton Oratory next month.

v. 任命（某人）为牧师( ordain的现在分词 )，授予（某人）圣职，（上帝、法律等）命令，判定；

[例句] He was ordained a Catholic priest in 1982...

[例句] Women have been ordained for many years in the Church of Scotland...

vt. 申斥，非难；

n. 呆子，畸形儿( oaf的名词复数 )；

[例句] Leave the lady alone, you drunken oaf.

n. 债务人，义务人；

咬封盖；

n. 鸡的一种；

v. 飞跃( overfly的现在分词 )；

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

v. 使（在法律或道义上）负有责任或义务( obligate的第三人称单数 )，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. 十月( October的名词复数 )；

[例句] Most seasonal hiring is done in early October...

[例句] The first plane is due to leave on October 2...

n. 长途的冒险行程( odyssey的名词复数 )；

[例句] The march to Travnik was the final stretch of a 16-hour odyssey.

v. 驱逐( oust的第三人称单数 )，革职，罢黜，剥夺；

[例句] The leaders have been ousted from power by nationalists...

[例句] Last week they tried to oust him in a parliamentary vote of no confidence.

n. （以宗教为主题的）清唱剧，神剧( oratorio的名词复数 )；

[例句] ...Handel's oratorio 'Samson'.

v. 比…长久，比…活得长( outlast的现在分词 )；

[例句] These naturally dried flowers will outlast a bouquet of fresh blooms...

[例句] People should listen to his music —it will outlast us all.

v. 比…长久，比…活得长( outlast的第三人称单数 )；

[例句] These naturally dried flowers will outlast a bouquet of fresh blooms...

[例句] People should listen to his music —it will outlast us all.

v. （使）失去平衡而歪倒( overbalance的现在分词 )；

[例句] He overbalanced and fell head first.

v. （使）失去平衡而歪倒( overbalance的第三人称单数 )；

[例句] He overbalanced and fell head first.

v. 使模糊，使混乱( obfuscate的过去式和过去分词 )，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.