crackpotn.
英 'krækpɒt | 美 'krækpɑt
中文n. 狂想家，疯子；怪人\nadj. 不切实际的，想入非非的
狂想家，疯子；怪人
adj. 不切实际的，想入非非的
词根词源
crackpot (n.)"mentally unbalanced person," 1898, probably from crack (v.) + pot (n.1) in a slang sense of "head." Compare crack-brain "crazy fellow" (late 16c.). Earlier it was used in a slang sense "a small-time big-shot" (1883), and by medical doctors in reference to a "metallic chinking sometimes heard when percussion is made over a cavity which communicates with a bronchus."
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