pāi nǎo dai
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Chinese dictionary
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  • make rash decisions or ideas based on subjective imagination or impulse without careful consideration or certification

    • jì huà rén yuán cháng cháng pāi nǎo dai gū jì cān shù de dà xiǎo

      计划人员常常拍脑袋估计参数大小

      Planners often make rash decisions to estimate the size of the parameters.