at peace 形容词
1.平静的,平和的：处于宁静状态的；平静的
She is at peace with herself and her friends.
她平和地对待自己和朋友
2.和平的,没有争吵的
Everyone wants to live in a world at peace.
人人都想生活在一个和平的世界里 in pease 作副词1.平安地, 安静地
He died in peace.
他平静地死去.
Never relax your vigilance while you live in peace.
你们要居安思危.
He lives in peace and content.
他过着安宁而满足的生活.