about right

例句：

1. 1. He's about right in saying that the weather is going to be nice tomorrow.
   他说明天天气会很好，这相当正确。
2. 2.She was about right when she said that she would finish the project on time.
   她说她会按时完成这个项目，这是相当正确的。
3. 3. The book is about right for a beginner in the field.
   这本书对于该领域的初学者来说相当合适。