The Top 250 Most Difficult SAT Words--《O》

SAT是Scholastic Aptitude Test的缩写，是申请几乎所有美国大学必须参加的考试。通常，希望继续接受高等教育的高中生需要参加SAT考试，并且SAT考试得分是获取奖学金的重要标准之一。大部分美国大学要求SAT考试作为录取的条件并根据SAT得分授予奖学金。

obdurate
(adj.) unyielding to persuasion or moral influences (The obdurate old man refused to take pity on the kittens.)
obfuscate
(v.) to render incomprehensible (The detective did not want to answer the newspaperman’s questions, so he obfuscated the truth.)
oblique
(adj.) diverging from a straight line or course, not straightforward (Martin’s oblique language confused those who listened to him.)
obsequious
(adj.) excessively compliant or submissive (Mark acted like Janet’s servant, obeying her every request in an obsequious manner.)
obstreperous
(adj.) noisy, unruly (Billy’s obstreperous behavior prompted the librarian to ask him to leave the reading room.)
obtuse
(adj.) lacking quickness of sensibility or intellect (Political opponents warned that the prime minister’s obtuse approach to foreign policy would embroil the nation in mindless war.)
odious
(adj.) instilling hatred or intense displeasure (Mark was assigned the odious task of cleaning the cat’s litter box.)
officious
(adj.) offering one’s services when they are neither wanted nor needed (Brenda resented Allan’s officious behavior when he selected colors that might best improve her artwork.)
opulent
(adj.) characterized by rich abundance verging on ostentation (The opulent furnishings of the dictator’s private compound contrasted harshly with the meager accommodations of her subjects.)
ostensible
(adj.) appearing as such, seemingly (Jack’s ostensible reason for driving was that airfare was too expensive, but in reality, he was afraid of flying.)