People threw flowers into the river between the two countries as a symbolic act of brotherhood.

人们把花扔进两国之间的河里，以此作为兄弟情谊的象征性的行为。

《柯林斯英汉双解大词典》

Soldiers who are fighting together often have a strong feeling of brotherhood.

一起作战的士兵相互间常怀有深厚的兄弟情谊。

youdao

Thoughts of love are constructive of brotherhood, peace, friendship, and happiness.

爱的思想有益于兄弟情意、和平、友爱和幸福。

youdao

President Ahmadinejad reportedly called the satellite launch "a message of brotherhood and peace" to the world.

VOA: special.2009.02.07

One of the demands of the Muslim Brotherhood is to change the constitution to involve parliament in appointing prime ministers.

VOA: special.2011.02.05

Di Giorgio held a vote and the International Brotherhood of Teamsters was chosen to represent the farm workers.

VOA: special.2009.09.06

In the military, bonds of brotherhood form as people face dangers together, Tabin said.

CNN: For long-separated families, reunions can be a struggle

When Charles first came to live with them, friction formed before the bonds of brotherhood.

CNN: The Gift of Charles

The fruited plain did little for the idea of brotherhood until brotherhood took things into its own hands.

NEWYORKER: Faces, Places, Spaces