I've not been trained to your water discipline.

我没有接受过你的水纪律训练。

When has there been another baby who knew the water discipline so young?

什么时候还有这么小就知道水系的宝宝了？

Have him give a short drill on water discipline, then bed the men down for the night in the barracks adjoining the field.

让他对水上纪律进行简短的训练，然后让士兵们在毗邻场地的营房里过夜。