If you describe a situation as an idyll, you mean that it is idyllic.
例句
She finds that the sleepy town she moves to isn't the rural idyll she imagined...她發現她搬進的這個寂靜小鎮并非她想象中的鄉間田園。Though they still talked a lot, Harry felt that their idyll was drawing to an end.盡管他們依然聊了很多,哈里卻感到他們的浪漫插曲即將結束。
英英詞典釋義
Noun
1. an episode of such pastoral or romantic charm as to qualify as the subject of a poetic idyll
2. a musical composition that evokes rural life
3. a short descriptive poem of rural or pastoral life