n.悲痛；孝服；服丧期
He wore crape as a sign of mourning. 他戴着黑纱表示哀悼。
The mourning hall was filled with a solemn silence. 追悼会会场庄严肃穆。
It was a day of national mourning with flags flying at half-mast everwhere. 这是一个全国哀悼的日子，到处都下了半旗。
When grandmother died they went into (ie started to wear) mourning. 祖母逝世时他们开始服丧。
