To take the cows to the mountains in Engpsh is "to graze the cows on the mountains". This phrase comes from the practice of allowing cows to eat grass and other vegetation on the slopes of a mountain.
Here are some example sentences using this phrase:
The farmer takes his cows to the mountain to graze every day.
Grazing cows on the mountain helps to keep the grass under control.
The sound of the cows grazing on the mountain is peaceful.
中文翻译：
农民每天都带牛去山上放牧。
在山上放牧牛有助于控制草的生长。
在山上放牧牛的声音很安静。