ha ha

1. INTERJ Ha ha is used in writing to represent the sound that people make when they laugh. 哈哈(用于书面语中，表示笑声)

I dropped my bag at the officer's feet. The bank notes fell out. "Ha ha ha!" he laughed. "Got no money, uh?"

我的包掉到了警官脚下。钞票从包里滑了出来。“哈哈哈！”，他大笑道。“还说没钱，嗯？”

2. INTERJ People sometimes say "ha ha" to show that they are not amused by what you have said, or do not believe it. 哈哈(表示不感兴趣或不相信)[口语]

He said "vegetarians unite," and I looked at him and said "yeah, ha ha."

“素食者们团结起来，”他说道，我看着他，说“行，哈哈。”