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English definition of “curveball”

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curveball

noun [S] ( also curve ball)
 
 
/ˈkɜːvbɔːl/ informal
something unexpected and difficult to deal with that changes a situation: The financial crisis has been an economic curve ball with global impact. New technologies have thrown a curveball at conventional risk assessment.
Translations of “curveball”
in Chinese (Traditional) (棒球運動中投向打擊手的)旋球,曲線球…
in Chinese (Simplified) (棒球运动中投向击球手的)旋球,曲线球…
(Definition of curveball from the Cambridge Business English Dictionary © Cambridge University Press)
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