那笔钱能否再被找到值得怀疑。

It was doubtful that the money would ever be found again.

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It was doubtful that the money would ever be found again.

doubtful 是形容词,由名词 doubt(怀疑)加上后缀 -ful(充满...的)构成,意思是"充满怀疑的、不确定的"。在句中表示"值得怀疑的、不太可能的"这种状态。

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