这个新塑胶是用不知名的材料混合做成的。 The new plastic has been compounded of unknown materials.
"也许某个不知名的亲戚会在他死后给我们留下一大笔钱。" "如果愿望都能实现，乞丐早就发财了。还是想一些实际的东西吧。" "Some unknown relative might die and leave us a lot of money." "And if wishes were horse, then beggars would ride. Now think of something practical."
著名的网球运动员败在一个不知名的年轻女运动员手下。 The famous tennis player went down to an unknown young woman.
