Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
unfit - adj. not having the necessary qualities, skills, mental health, etc... to do something
obstruction of justice - n. the crime of trying to stop authority from learning the truth about something
slimeball - n. a very bad, unpleasant or dishonest person
guy - n. a man
classified - adj. kept secret from allbut a few people in the government
factor - n. one of the things that cause something to happen
impeach - v. to charge (a public official) with a crime done while in office
off the hook - idiom used to describe someone who has avoided trouble or punishment
bound - adj. required by law or duty to do something
booth - n. a small area that is enclosed in order to provide privacy for a person
