"I'd no idea Milan was so wonderful," he raved.

“我之前不知道米兰是那么棒，”他感叹道。

《柯林斯英汉双解大词典》

It was given to him by his mother, and he raved about its functionality.

那是他妈妈送给他的，而他很喜欢它的功能。

youdao

Then he raved on that they never took him seriously about anything he wanted.

然后他又胡说什么他们从来就没有认真对待过他的要求。

youdao

He also raved about Beijing art duo Sun Yuan and Peng Yu's life-size sculptures of dinosaurs and rhinoceroses, which stood, like a scattered herd, in several fair booths.

WSJ: Hong Kong: The Next Global Art Powerhouse

Or maybe he just amused himself while she just raved about what a great Democrat crusader he was.

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