名词
1. He is under the illusion that his position is secure. 他误以为他的地位很稳固。
2. I have no illusions about his ability. 我对他的能力不存幻想。
3. Extreme heat can create an illusion of water on a highway in the summer. 盛夏酷暑会造成公路上有水的幻觉。