interj. 哈哈
n. 矮墙
在线英汉词典

ha-ha的短语、例句：

ha-ha n ditch with a wall or fence in it, forming a boundary to a park or garden without interrupting the view （有墙或篱筑於其间的）壕沟（作公园或花园的边界而不致妨碍视线）.