n.沙塔；沙堡；赘物
The joy that was piled high, like a sandcastle on the beach, couldn't stand the pull of the wind and the thrust of tides.It crumbled instantly and disappeared. 那筑得高高的欢乐，就像沙滩上堆出的沙堡，经不得风掀浪鼓，立刻坍塌不存。
