mid-14c., verbal noun from laugh (v.). Laughing matter (usually with negative) is from 1560s. Nitrous oxide has been called laughing gas since 1842 (for its exhilarating effects). Davy, experimenting with the gas, discovered these as far back as 1779: "When I took the bag from my mouth, I immediately laughed. The laughter was involuntary, but highly pleasurable, accompanied by a thrill all through me."
实用例句
1. I thought they were laughing at me because I was ugly.
我觉得他们嘲笑我是因为我长得丑。
来自柯林斯例句
2. He carried on telling a joke, laughing his head off.
他继续讲笑话，自己笑得前仰后合。
来自柯林斯例句
3. He was still laughing when he heard the rasp of Rennie's voice.
当他听到伦尼尖叫的声音时仍然在笑.
来自柯林斯例句
4. He is unpredictable, weeping one moment, laughing the next.
他喜怒无常，一会儿哭，一会儿笑。
来自柯林斯例句
5. I was tickling him, and he was laughing and giggling.
