peacekeeper
n. (交战国之间的)停火执行者
复数 peacekeepers
例句
She's the peacekeeper in that family.
那个家庭的纠纷都由她来调解。
《牛津词典》
They want the United Nations to play a bigger role as the world's peacekeeper.
他们希望联合国作为世界维和组织发挥更大的作用。
《柯林斯英汉双解大词典》
That's ridiculous! I'm a soldier, not a peacekeeper.
太荒谬了,我是军人,又不是维持秩序的。