词组	be on another planet
释义	●be on another ˈplanet●what ˈplanet is sb on? (spoken, humorous) used to suggest that sb’s ideas are not realistic or practical （表示某人的想法完全不切实际）你在想什么，异想天开◆He can’t really think we’re going to finish the job today, can he? What planet is he on? 他不是认为我们今天能把工作做完吧？真是异想天开！
随便看	stand sth on its head kith kith and kin kittens knee knee-high knee-high to a grasshopper knees knell knickers knife knife-edge knifepoint knight knit knit your brows knives knobs knock knocked knocking knock it off! knock on wood knock sb dead knock sb for a loop

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