重点讲解：
1. catch sight of (突然或刹那间)看见，发现；
Then he caught sight of her small black velvet hat in the crowd.
然后他突然在人群中看见了她那顶小巧的黑色天鹅绒帽子q-~VQ^o^tCuaQ|vNui。
2. comb through 在(信息)中仔细搜寻；
Eight policemen then spent two years combing through the evidence.
之后8位警察花了两年时间搜寻证据^A@(3Qk^VNPz-KgPg2-2。
3. piece together 拼凑出（真相）；
In the following days, Francis was able to piece together what had happened.
在随后的几天里，弗朗西斯得以把发生的事情拼凑出来wwE4s[QW0KIJtw。
4. attend to 处理，料理（事情）；照顾，护理（受伤的人）；
I've got some unfinished business to attend to.
我还有一些未完的事要处理.QxUj30dMp#@qX%V。