出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第17页（200字）
比喻看到同类遭到不幸，自己也感到悲伤，例他听到同学高考未被录取，不免有物伤其类之感。
When he knew his classmate had also failed his high school examination，he could not but feel full sympathy．