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陳詞濫調；枯燥冗長的陳述
If you describe what someone says as a litany of things, you mean that you have heard it many times before, and you think it is boring or insincere.
例句
She remained in the doorway, listening to his litany of complaints against her client.
她站在門口，聽他喋喋不休地抱怨她的客戶。