halcyon

We spent a halcyon afternoon by the lake, with no phones or deadlines.

用法提示：形容词 halcyon 作定语修饰 afternoon，意为“宁静的、平静的”。

She often thinks back to the halcyon years of her childhood in the countryside.

用法提示：形容词 halcyon 作定语修饰 years，表达“平静美好的（时光）”。

The town looks halcyon in the early morning light before the traffic starts.

用法提示：形容词 halcyon 作表语，表示“宁静安详的”。