knock-knockCOCA¹¹⁷⁵⁵⁷BNC²³⁶²¹³⁺¹ 基本例句 🌏敲敲门；敲门问答式；特别版的火斧 These simple jokes work because the knock-knock structure highlights familiar situations, uses only essential words and phrases, and clearly signals a laughing opportunity. 这些简单的玩笑之所以受欢迎，是因为这些游戏的环节强调了我们熟悉的情景，通过用关键字和短语，显然地勾画出了一个让人大笑的机会。 yeeyan