无规则的

例句：

1. 1. The chalkboard is covered in a pattern of squares that are all the same size.
   粉笔板上覆盖着一个相同大小的正方形图案。
2. 2.He has an irregular schedule, so he often arrives late for work.
   他的日程安排不规律，所以他经常上班迟到。
3. 3. The weather forecast was quite irregular, with heavy rain and strong winds predicted for the next few days.
   天气预报很不规律，接下来几天预报有大雨和强风。