Although tourism has many advantages, it clearly has a bad influence as well.

尽管旅游业有很多优点，但它显然也有不好的影响。

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Those friends are a bad influence on her.

那些朋友对她有负面的影响。

《牛津词典》

They always were a bad influence!

他们总是坏影响！

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In children, there is a possibility of a bad influence on bone development, even.

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She thinks Jesus' friends were a bad influence, doubts his divine powers and ultimately doesn't believe his crucifixion was worth it.

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One of the reasons the New York Yankees supposedly dumped Cabrera after the 2009 season was because he was a bad influence on star second baseman Robinson Cano.

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