1. offer: vt&n 提供 He offered me $2000 for the car. I accepted an offer of help. 2. Life is hard at high altitude, and the mountains make communications difficult. make 此处为动词，“使成为，使变为”。 常接复合结构。即make +宾语+宾语补足语。做宾语补足语的可以是名词、形容词、省略to的不定式、过去分词等形式。 All work and no play makes Jack a dull boy. Sit down and make yourself comfortable. He make me repeat it. I am afraid I can’t make myself understood.