adj.坚硬的,坚固的;
英文例句/中文翻译:
Parents must be firm with their children.
父母必须对子女严格。
The going is good to firm.
赛马场的地面稍偏硬。
This firm's gone to the dogs since the new management took over.
这个公司自新的管理人员接手以来日渐衰败。