a. not important
a. 不重要的
1. This task is unimportant compared to our main project.
这个任务相对于我们的主要项目来说不重要。
2. Don't worry about the unimportant details; focus on the big picture.
不要担心那些不重要的细节；专注于整体情况。
3. She realized that the criticism was unimportant and moved on.
她意识到这些批评不重要，于是继续前进。