pity作名词时是可数的，复数形式是pities，例如：
1、He pities the poor fellow who has "never had a dog's chance" and "leads a dog's life".他同情那种“从未有机会”或者“艰苦度日”的穷人。
2、I pity her having to work such long hours.她不得不加班加点工作，真让我同情。
3、It would be a great pity if you gave up now.你要是现在放弃，那就太可惜了。
