ha

1. INTERJ Ha is used in writing to represent a noise that people make to show they are surprised, annoyed, or pleased about something. 哈(用於書麪語中，表示喫驚、生氣或高興)→see also ha ha

"Ha!" said James. "Think I'd trust you?"

“哈！”詹姆斯說，“你以爲我會相信你？”

2. ha is a written abbreviation for . hectare的書麪縮寫