“喜出望外”英文怎说？

happy beyond expectations

喜出望外: [ xǐ chū wàng wài ]

1. (something unexpected, good news etc.) be overjoyed

例句与用法:
1. 冬天有这样暖和的天气真是喜出望外.
The warm weather in winter has been a real bonus.

形容词的话就是overjoyed.
名词和动词是overjoy.

extra happiness

the happiness out of my thought