拼音缩写是「bsdd」的词

读音：bǎn shàng dìng dīng 词语解释板上钉钉[ bǎn shàng dìng dīng ]⒈  比喻事情已经决定，无可改变。例海云是已经定性，已经作了板上钉钉的正式结论的阶级敌人。——王蒙《蝴蝶》英clinch a deal; finalize a decision (plan,etc); finally determined;引证解释⒈  比喻事…