/ˈblʌn.dɚ.ɪŋ/
adjective
often making serious mistakes, usually because of not taking care:
[I] to make a stupid or careless mistake 犯愚蠢的（或粗心的）错误
The government had blundered in its handling of the affair.
政府在这件事的处理上犯了大错。
/ˈblʌn.dɚ.ɪŋ/
adjective
often making serious mistakes, usually because of not taking care:
[I] to make a stupid or careless mistake 犯愚蠢的（或粗心的）错误
The government had blundered in its handling of the affair.
政府在这件事的处理上犯了大错。