小河的叮咚声英语可以翻译为 "the sound of the ding-dong of the small river"。

这个说法的来源可能是描述小河流过岸边或桥梁时产生的声音。这种声音可能是由水流冲刷岸边或桥梁的石头或岩石所产生的。

下面是一些英文例句和中文翻译：

The sound of the ding-dong of the small river filled the air as we walked along the bank. (我们沿着岸边走时，小河的叮咚声充满了空气。)

I could hear the ding-dong of the small river as I sat on the porch and watched the sunset. (我坐在门廊上看日落时，能听到小河的叮咚声。)

The ding-dong of the small river was soothing as I drifted off to sleep. (当我渐渐进入睡眠时，小河的叮咚声很放松。)