rocket scientist

noun
🔊/ˈrɒkɪt saɪəntɪst/
🔊/ˈrɑːkɪt saɪəntɪst/
used especially in negative sentences尤用于否定句 (informal)
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  1. an extremely intelligent person
    • You don't need to be a rocket scientist to figure out that this plan will not work.您无需成为火箭科学家就可以知道该计划将行不通。
    • He's a nice kid—maybe not a rocket scientist, but he's very sweet.他是一个好孩子-也许不是火箭科学家,但他非常可爱。