tran·quil·li·ty
noun/træŋˈkwɪləti/
/træŋˈkwɪləti/
(North American English also tranquility)
[uncountable] (formal)- the state of being quiet and peaceful
安静的；平静的；安宁的 - an atmosphere of peace and tranquillity
和平与安宁的气氛
- an atmosphere of peace and tranquillity