Although you find yourself out in the middle of the sea at this point, far beyond reach of any shore, it is not scary because the water is generally only ankle deep, never reaching above the knee.
走在海中央，雖然前不著「陸」、後不著「岸」，由於水淺處只到腳踝，最深也不過至膝，一路行來倒並不可怕。