The rain came down in torrents.

大雨滂沱。

The rain was coming down in torrents.

大雨如注。

Torrents of water gushed into the reservoir.

急流涌进了水库。

Torrents of water rushed down the mountain.

山洪暴发。

The torrents scoured out a channel down the hill side.

急流沿着山腰冲刷出一条水沟。