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85页（226字）
比喻看到同类遭到不幸，自己也感到悲伤，例他看到多年不见的好友如今竟落魄至此，不免有物伤其类之感。
When he saw his bosom friend in such a plight，it was only natural for him to feel deep sympathy-after all“like feels for like．”