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高的，如果您把诺第留斯号浮起来—在我来这是可的—那我就它有什么法子，够离开暗礁，重回大海。