单词 "face" 主要有以下含义和用法：
1. 脸，面部His face is covered with mud.他的脸上都是泥。
2. 面向，朝向The building faces the park.这座建筑面向公园。
3. 面对，面临He is facing a difficult decision.他面临着一个艰难的决策。
4. 表面，正面The smooth surface of the table.桌子的光滑表面。
5. 面孔，形象She has a kind face.她有一张和善的脸。
6. 对抗，迎面They faced each other in the ring.他们在拳击场上面对面对抗。
以下是一些固定搭配的词组：
1. face to face（面对面）We had a face-to-face meeting to discuss the project.我们面对面讨论了这个项目。
2. face the music（面对现实，承担后果）He knew he had to face the music for his mistakes.他知道他要为他的错误承担后果。
3. face off（对抗，交锋）The two teams faced off in the final match.两队在决赛中交锋。
4. face up to（勇敢面对）He needs to face up to his responsibilities.他需要勇敢地面对他的责任。
5. face mask（面罩，口罩）She was wearing a face mask to protect against the virus.她戴着口罩以防病毒。
6. face lift（面部提升，改观）The building underwent a major face lift before the opening ceremony.在开幕式之前，这座建筑进行了一次大规模的翻新。
7. face the facts（面对事实）We need to face the facts and admit our mistakes.我们需要面对事实，承认我们的错误。
8. make a face（做鬼脸，扮鬼脸）She knows how to make faces to make people laugh.她知道如何做鬼脸逗人笑。
9. lose face（丢脸，丢面子）He lost face when he failed to answer the question.当他答不上来问题时，他觉得丢了面子。
