1.我不认识这辆车的主人（belong to）
I don't whom this car belongs to.
2.约翰提到的几个人,他对他们评价不高（think highly of）
John talked about several people,which I didn't think highly of .
3.她给了我们食物和衣服,没求任何回报,这事儿令我们感动（in return）
She provided us with food and clothes and asked for nothing in return,which made us moved.
4.毫无疑问,搜寻那些丢失的文物的工作将会继续下去（no doubt）
No doubt that the work about searching for those missing relics will continue.