1.come forward 出现；露面；站出来
Since his death, none of his next-of-kin or relations has come forward to lay claims to this money as the heir.
他去世后，都没有一位近亲或远亲以他继承人的身份来认领这笔钱v.7#N5[bg^7e。

2.file a complaint 提出控告/申诉
A convict may also authorize his or her relative or lawyer to file a complaint.
罪犯也可以委托其亲属或者律师提出申诉HH_(IErGTy2pSxc2。

3.briefed on the matter 知情人士
In coming weeks, both Amazon and Sony Corp. plan to unveil new versions of their devices, said people briefed on the matter.
据知情人士透露，未来几周，亚马逊和索尼都计划发布各自产品的新型号sxjzg*D8.U_6。

4.build a case 为……搜集证据
We're trying to build a case because many employees have been wrongly terminated by the company.
我们正在努力搜集证据，因为很多被该公司解聘的员工都是被冤枉的FMwxB=_#BLiC][[4_aw。