a bungling burglar笨手笨脚的窃贼

bungling lawyers白痴律师

His bungling incompetence almost cost us the operation.他的笨拙无能几乎毁了这次行动。

She would probably still be alive had it not been for bungling by experts involved in the case.要不是插手此案专家的失误, 她现在很可能还活着。