未知的天空

previously unknown───以前未知

cries down───vt.贬低；喝止

dies down───逐渐消失

lies down───躺下

misknown───vt.认不出；认错；误解(misknow的变形)

ties down───束缚；约束；栓系

unknown───adj.未知的；陌生的，默默无闻的；n.未知数；未知的事物，默默无闻的人

Messengers, with tidings from unknown skies, greet me and speed along the road. My heart is glad within, and the breath of the passing breeze is sweet.───可知的天空带信来的使者们，向我致意又向前赶路。我衷心欢畅，吹过的风带着清香。

One unknown will be to what extent weather helps. When the wind blows strong out of the north, Beijing's skies can clear quickly.───一个未知因素就是天气可以提供多大程度的帮助。

Messengers, with tidings from unknown skies, greet me and speed along the road.───信使们带来来自未知天空的消息，向我问候又继续赶路。