the rising sun in the eastern sky - a display of youthful vigour and vitality;in the ascendant
? 我們偉大的祖國有如～。Our great motherland is like the rising sun in the eastern sky.
旭日東升xù rì dōnɡ shēnɡ
旭日：早晨的太陽。早晨的太陽剛剛從東方升起。形容充滿青春的活力，也比喻景象朝氣蓬勃。the sun rising in the estern sky, in the ascendant