a long speech that somebody has used many times, that is intended to persuade you to believe something or buy something油嘴滑舌的游说;一长串招徕生意的套话
nouninformalusuallydisapproving
英文字典
spiel
Someone's spiel is a well-prepared speech that they make, and that they have usually made many times before, often in order to persuade you to buy something.