a. not realistic
a. 不切实际的, 幻想的
1. His expectations for the project are unrealistic.
他对这个项目的期望是不切实际的。
2. It's unrealistic to think you can learn a new language in a week.
认为你能在一周内学会一门新语言是不现实的。
3. The movie's special effects were so unrealistic that it took me out of the story.
这部电影的特效太不真实了，以至于让我无法投入到故事中。