VOA慢速英语:'Rocking the Boat' Upsets Everything

grace – n. a way of moving that is smooth and attractive and that is not stiff or awkward

motion – n. an act or process of moving

seasick – n. feeling sick because of the movement of a boat or ship that you are traveling on

negative – adj. harmful or bad : not wanted

positive – adj. good or useful

status quo – n. the existing state of affairs

customer – n. someone who buys goods or services from a business

delivery – n. the act of taking something to a person or place

to tank – v. to suffer rapid decline, failure, or collapse

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