https://online2.tingclass.net/lesson/shi0529/0002/2107/sl20041213.mp3
https://image.tingclass.net/statics/js/2012
have a firm case
（爭論時(shí)）有強(qiáng)力的論點(diǎn)支持，說法站得住腳，一般也會(huì)說成have a good case
We have a firm case against your client.
我們掌握了對你客戶非常不利的證據(jù)。
