澭水

为了越过这个障碍，楚国派人悄悄地去测量澭水的深度，并且做好了夜间涉水过河的标记。

To overcome this obstacle , the State of Chu sent men to secretly measure the depth of the Yong River and make marks for wading1 across the river at night .

谁知到了夜里，澭河的水暴涨，水位升高。

But when night came , the water in the Yong River suddenly rose ;