新莺出谷,乳燕归巢 the song of a nightingale fresh from the forest,or to the tender twittering of a fledgling swallow returning to its nest.
新莺出谷,乳燕归巢 (her words were distinct and yet possessed such a continuous melody that they may be likened to) the song of a nightingale fresh from the forest, or to the tender twittering of a fledgling swallow returning to its nest