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English definition of “bright spark”

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bright spark

noun [C] uk   UK us  
a person who is intelligent, and full of energy and enthusiasm humorous a stupid person: Some bright spark left the door open overnight.
Translations of “bright spark”
in Chinese (Traditional) 生氣勃勃的人, 精明的人, 蠢人…
in Chinese (Simplified) 生气勃勃的人, 精明的人, 蠢人…
(Definition of bright spark from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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