收到久无音讯的老朋友一封信使我意想不到的高兴。

To my unexpected delight, I received a letter from my old friend about whom I hadn't heard for years.

youdao

收到久无音讯的老朋友一封信使我意想不到的高兴。

To my unexpected delight, I received a letter from my old friend about whom I hadn't heard for years.

youdao