Explain how antonyms are used and match with the example expressions: thick and thin; More haste, less speed.
【正确答案】：Antonyms are useful in enabling us to express economically the opposite of a particular thought, often for the sake of contrast. Many idioms are formed with antonyms. for example. thick and thin.
Antonyms are often used to form antithesis to achieve emphasis by putting contrasting ideas together, for example, the proverb More haste. less speed.
