1. He hid behind a faceless mask, making it impossible to identify him.
他戴着一副没有面容的面具，让人无法辨认他。

2. The corporation is often seen as a faceless entity, lacking any personal connection with its customers.
这家公司常常被看作是一个没有明显特征的实体，与客户缺乏任何个人联系。