ha-ha

interj. 哈哈
n. 矮墙

异体字:haw-haw 

ha-ha

n.（名词）
A sound made in imitation of laughter.
哈哈：模仿发笑的声音
ha-ha Slang An instance of amusement. Often used in the plural:
ha-ha 【俚语】 有趣的事情，常用复数形式：
例句：
drove around the baseball field at midnight just for ha-has; a party that was a real ha-ha.
就为了找乐，半夜里开车绕着棒球场转；非常有意思的一个聚会

interj.（感叹词）
Used to express amusement or scorn.
用来表示戏谑或嘲讽

ha-ha
ha-ha 2

n.（名词）
A moat, walled ditch, or hedge sunk in the ground to serve as a fence without impairing the view or scenic appeal.
暗墙；隐篱：用来作栅栏，但又不阻碍视线或景观的护城河，或由墙围住的沟或陷入地中的篱笆

来源：
French [perhaps as an exclamation of surprise]
法语 [可能表示惊呼]