VOA慢速英语:Clinton Calls for Unity to Face Challenges

challenge – n. a difficult task or problem: something that is hard to do

perception – n. the way you think about or understand someone or something

poll – n. an activity in which several or many people are asked a question or a series of questions in order to get information about what most people think about something

admire – v. to feel respect or approval for (someone or something)

temperament – n. the usual attitude, mood, or behavior of a person or animal

provocation – n. an action or occurrence that causes someone to become angry or to begin to do something

bait – v. to try to make (someone) angry by using criticism or insults