VOA慢速英语:Richard Nixon: Resigned

attain - v. accomplish or achieve

Quaker - n. a member of a Christian religious group whose members dress simply, are against violence, and have meetings without any special ceremony or priests

impressive - adj. deserving attention, admiration, or respect : making a good impression

landslide - n. an election in which the winner gets a much greater number of votes than the loser

indictment - n. an official written statement charging a person with a crime

comeback - n. a new effort to win or succeed after being close to defeat or failure

erupt - v. to happen or begin suddenly or violently

obstructing - v. to slow or block the movement, progress, or action of

positive - adj. good or useful

nightmare - n. a very bad or frightening experience or situation