名词
中文翻译：Unknown
同义词：
['fool', 'idiot', 'foolhardy']
例句：
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1. He was a plonker at school, always getting into trouble.
他在学校是个笨人，总是惹麻烦。
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2. She was the plonker in the class, always making mistakes.
她是班上的笨人，总是犯错。
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3. The plonker decided to take a risk and go for it.
那个笨人决定冒险一试。