insufficient

/ˌɪnsəˈfɪʃ(ə)nt/📚 7235 49 2四级六级托福
Something that is insufficient is not large enough in amount or degree for a particular purpose. 不充分的

adjective [原级]不充分的,不够重要的

He decided there was insufficient evidence to justify criminal proceedings.
他判定没有充分的证据提起刑事诉讼。

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