impetuous ADJ. /冲动的，鲁莽的/violent; hasty; rash. "Leap before you look" was the motto suggested by one particularly impetuous young man.
impetus N. /动力;动机/incentive; stimulus; moving force. A new federal highway program would create jobs and give added impetus to our economic recovery.
impiety N. /不敬(对神);不虔诚/irreverence; lack of respect for God. When members of the youth group draped the church in toilet paper one Halloween, the minister reprimanded them for their impiety.
impinge V. /撞击;碰撞/infringe; touch;. collide with. How could they be married without impinging on one another's freedom?
impious ADJ. /不敬的;不礼貌的/irreverent. The congregation was offended by her impious remarks.
implacable ADJ. /不能平静的/incapable of being pacified. Madame Defarge was the implacable enemy of the Evremonde family.
implausible ADJ. /难以臵信的;不像是真的/unlikely; unbelievable. Though her alibi seemed implausible, it in fact turned out to be true.
implement V. /贯彻，实现;用工具实现/put into effect; supply with tools. The mayor was unwilling to implement the plan until she was sure it had the governor's backing. also N.
implicate V. /牵连，牵扯(犯罪);暗示/incriminate; show to be involved. Here's the deal: if you agree to take the witness stand and implicate your partners in crime, the prosecution will recommend that the judge go easy in sentencing you.
implication N. /含义;暗示/something hinted at or suggested. When Miss Watson said she hadn't seen her purse since the last time Jim was in the house, the implication was that she suspected Jim had taken it. imply,V.
implicit ADJ. /会意的，意会而不言传;暗示的/understood but not stated. Jack never told Jill he adored her; he believed his love was implicit in his actions.
implore V. /恳求/beg. He implored her to give him a second chance.
imply V. /暗示;表示/suggest a meaning not expressed; signify. When Aunt Millie said, "My! That's a big piece of pie, young man!" was she implying that Bobby was being a glutton in helping himself to such a huge piece?
importunate ADJ. /胡搅蛮缠的;苛刻的/urging; demanding. He tried to hide from his importunate creditors until his allowance arrived.
importune V. /强求;不停的求/beg persistently. Democratic and Republican phone solicitors importuned her for contributions so frequently that she decided to give nothing to either party.
impostor N. /冒充者;冒名顶替的人/someone who assumes a false identity. Holmes exposed the doctor as an impostor.
impotent ADJ. /无能的;弱的/weak; ineffective. Although he wished to break the nicotine habit, he found himself impotent in resisting the craving for a cigarette.
impoverished ADJ. /穷/poor. The loss of their farm left the family impoverished and without hope.
impregnable ADJ. /不受影响的;无敌的/invulnerable. Until the development of the airplane as a military weapon, the fort was considered impregnable.
impromptu ADJ. /一时冲动的;即兴的/without previous preparation; off the cuff; on the spur of the moment. The judges were amazed that she could make such a thorough, well-supported presentation in an impromptu speech.
impropriety N. /不合适，不恰当/improperness; unsuitableness. Because of the impropriety of the punk rocker's slashed T-shirt and jeans, the management refused to admit him to the hotel's very formal dining room.
improvident ADJ. /浪费的/thriftless. He was constantly being warned to mend his improvident ways and begin to "save for a rainy day." improvidence, N.
improvise V. /临时准备;即席创作，现编/compose on the spur of the moment. She would sit at the piano and improvise for hours on themes from Bach and Handel.
imprudent ADJ. /轻率的，判断错误的/lacking caution; injudicious. It is imprudent to exercise vigorously and become overheated when you are unwell.
最新热文推荐：
