VOA慢速英语:Calvin Coolidge: Silent

casual - adj. happening by chance : not planned or expected

conversation - n. talking in an informal way

fondly - adv. in a loving way

thrift - n. careful use of money so that it is not wasted

grief - n. deep sadness caused especially by someone's death

wit - n. an ability to say or write things that are clever and usually funny

ticket - n. a list of the candidates supported by a political party in an election

engagement - n. the act or state of being involved with something

sensible - adj. having or showing good sense or judgment