firm something up
phrasal verb with firm verb uk/fɜːm/ us/fɝːm/
落实;敲定
to make something more certain or less likely to change
Could we have a meeting so we can firm up the details of our agreement? 我们能不能开个会，把协议细节确定下来？
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。