VOA慢速英语:Clinton Calls Trump ‘Unfit’ to Lead Foreign Policy

principled – adj. having morally correct behavior

incoherent – adj. not clear, expressed in a confusing way

temperamentally – adj. – the act of behaving angrily or emotionally

brag – v. say in an arrogant or boastful way

mock – laugh, tease or mimic

cower – v. bend down in fear

obsolete – adj. no longer produced or used

credibility – n. the quality of being trusted or believed

teleprompter – n. device used to provide text to someone giving a speech