三生有幸的英文：
[Literal Meaning]
three lives, (of Buddhism)past, present and future lives/have/fortune
a stroke of luck for three lives

[解释]
三生：佛家指前生、今生、来生；幸：幸运。三世都很幸运。

[Explanation]
to consider oneself most fortunate

[例子]
今天能够见到语言学界的权威，我感到三生有幸。

[Example]
I feel most fortunate to have met the authorities in the linguistic circle today.