VOA慢速英语:Imprecise Noun Phrases in Conversation

expensive – adj. costing a lot of money

phrase – n. a group of two or more words that express a single idea but do not usually form a complete sentence

coordination tag – n. grammar words that show that the speaker has not exactly identified the noun they are thinking of

conversation – n. an informal talk involving two people or a small group of people

imprecise – adj. not clear or exact

optional – adj. available as a choice but not required

quite – adv. exactly or precisely

uncertainty – n. something that is doubtful or unknown

construction – n. the way words in a sentence or phrase are arranged

formal – adj. suitable for serious or official speech and writing