https://online2.tingclass.net/lesson/shi0529/0001/1196/sl20060906.mp3
https://image.tingclass.net/statics/js/2012
have a firm case (爭(zhēng)論時(shí))有強(qiáng)力的論點(diǎn)支持,說(shuō)法站得住腳,一般也會(huì)說(shuō)成have a good case
We have a firm case against your client.
我們掌握了對(duì)你客戶(hù)非常不利的證據(jù)。