Definition
When something, particularly a sound, diminishes in intensity until it ceases to be heard.
（尤指声音）逐渐减弱消失
The sound of the violin died away gradually until it disappeared into the air.
小提琴的声音逐渐减弱，直到消失在空气中。
As the music reached its conclusion, the melody began to die away.
当音乐接近尾声时，旋律开始逐渐消失。
After a gust of wind, the noise from afar began to die away.
一阵风过后，远处的噪音开始逐渐消失。