ha-ha

基本解释

I mean, what is this thing we have in our brains that makes us say “ha-ha” when someone slips on a banana?
我是指，当我们看到有人踩在香蕉皮上滑倒时，究竟是大脑里的什么物质让我们发出“哈哈”的笑声。
The insula is associated with emotion, so it seems likely that this is the brain feeling good when it gets the joke–the “ha-ha” response.
脑岛与人的情绪有关，看来可能是在接收到好笑的信息时，大脑感觉良好，于是（让身体）做出了“哈哈”的反应。
By studying the transition between the panting of chimps and the human ha-ha, scientists discovered that breath control is the key to the emergence of both human laughter and speech.
通过研究从大猩猩喘气的呼呼声到人类“哈哈”的笑声两者之间的转化，科学家发现，呼吸控制是人类语音和笑声出现的关键所在。

Grover Cleveland really was going to the White House -- ha ha ha! His election would bring some important changes to the country.
For Hebrew, I know one sentence in Hebrew: "Sleecha, eypho ha-sheeruteem" which I think is a request for the bathroom.
我知道一句希伯来语,"请问,卫生间在哪里",我猜这话的意思是想去卫生间了
耶鲁公开课 - 心理学导论课程节选
Ah. So which one's better? Yeah. Ah-ha.
谢谢，再想一会。
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I'm by myself in a bathroom in Denver, and I guess that's how the comedy trip ended, not funny ha-ha but funny peculiar.
NPR: A Comic Horror Story from Aspen

a wall or other boundary marker that is set in a ditch so as not to interrupt the landscape