She was still in mourning for her husband.

她仍在为丈夫服丧。

《牛津词典》

The women began to wail in mourning.

女人们开始大放悲声。

《柯林斯英汉双解大词典》

Yesterday the whole of Greece was in mourning.

昨天，希腊全民哀悼。

《柯林斯英汉双解大词典》

Fans in southern Africa are in mourning over the death of Michael Jackson. Radio stations are playing his songs constantly along with tributes from listeners.

VOA: standard.2009.07.01

Tunisia is observing three days of mourning for people killed in the revolution that ousted the president a week ago.

VOA: special.2011.01.22

Colin Firth plays a college professor who is mourning the death of his partner in "A Single Man."

VOA: special.2010.03.01

The Melvilles' home community of Methven has also been in mourning following the deaths.

BBC: NEWS | UK | Scotland | Tayside and Central | Man's death increases tragic toll

Nahla's mother Samirah(ph) and her sister Iman still dress in black in mourning for her.

NPR: Iraqi Army Eases Militias' Grip on Women in Basra

But tonight, I will join the people of Anderson in mourning what is lost.

FORBES: America's second-largest high school gym is a goner