condolence
词根词缀：
condole v. 哀悼
con 共同 + dole 悲伤 → 共同悲伤 → 哀悼
condolence n. 哀悼
con 共同 + dol 悲伤 + ence 表行为，condole的名词 → 哀悼
doleful adj. 悲伤的
dole 悲伤 + ful …的 → 悲伤的
dolesome adj. 悲哀的
dole 悲伤 + some 充满…的 → 悲哀的
dolorous adj. 忧伤的
dol 悲伤 + or 状态 + ous …的 → 忧伤的
indolence n. 懒惰
in 不 + dol 悲伤 + ence 性质，状态，行为 → 懒惰
数据来源：新东方英语词汇速记大全
相关例句：
In a letter of condolence, Brown said: I write to you with great sadness to inform you that one of the fatalities in yesterday's bombing near the finish line of the Boston Marathon has been identified as a Boston University graduate student.
在一封哀悼信中，布朗说道：我很悲痛地通知您，昨天波士顿马拉松赛中发生在终点线附近的爆炸案有一名遇难者被确定是波士顿大学在校研究生。
Finally, my family and I would like to express our deep condolence to the victims of recent terrorist attack.
最后，我谨代表我和我的家人，向在此次遇难的美国人表示深切的哀悼！
I felt that no words of condolence availed, and I let him lie there quietly.
我觉得无论说什么安慰的话也无济于事，便索性让他一声不响地躺在那里。
I would like to join the Chairman in extending my condolence to his family and the government of DRC.
我请求年会主席代为转达我对富塔部长家人和刚果政府的哀悼。
Letters and telegrams of condolence streamed in from heads of state, housewives, politicians, millionaires, secretaries.
国家元首、政治家、百万富翁、家庭主妇以及部长、大臣的唁电唁函涨潮般涌来。
Thank you for your mail and for your condolence.
感谢您的邮件您和您的慰问。