The balloons dissolved high in the sky.

气球在高空中渐渐。

The sounds fainted away in the distance.

音在远处渐渐。

The shapes faded (away) into the night.

这些形象在夜色中渐渐。

Your hunger decreases as you eat.

饥饿感在吃饭会渐渐的。

The laughter died down.

渐渐了。

The noise gradually faded away.

喧闹渐渐了。

When you turn on a transistorized radio, the sound comes on immediately; when you turn off, it fades out gradually.

你打开晶体管收音机, 立刻就有音, 当你关掉, 音渐渐。