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Knock

  • “Knock” 既是动词也是名词。动词指 “敲击” (常用于门窗);名词指敲击的声音或动作。
  • “I could hear the knock at the door.” (我可以听到门上的敲击声。)
  • “Please knock before you enter the room.” (你进房间前请先敲门。)
  • “He had a knock on his head.” (他的头部受到了一次敲击。)
  • 词源自古英语 “cnocian”,意为 “敲”。衍生词如 knocker (门环), knocking (敲门声)。
  • “Knock” 是基本词汇,没有词缀。
  • 在欧美文化中广泛使用。口语中有许多短语,如 “knock it off” (停止), “knock on wood” (祈求好运,敲木头以避邪)。
  • 过去式和过去分词:Knocked
  • 现在分词:Knocking
  • 复数形式:Knocks (名词)
  • 将 “knock” 与现实生活中经常遇到的敲门声联系起来,以此作为记忆锚点。
  • James was scared to knock on the principal’s door. But, needing answers, he took a deep breath and knocked. (詹姆斯很害怕去敲校长的门。但是,他需要找到答案,所以他深吸了一口气,敲了门。)