Now then, the tides aren't strong in the Pacific, and if you can't unballast the Nautilus, which seems impossible to me, I don't see how it will float off.

一般说来，太平洋的潮水上涨时是不高的，如果您不能把诺第留斯号浮起来—在我看来这是不可能的—那我就看不到它有什么法子，能够离开暗礁，重回大海。