Definition
No matter what happens; regardless of the circumstances.
无论晴雨；无论如何；不论发生什么情况
Come rain or shine, I go for a walk in the park every morning.
无论晴雨，我每天早上都会去公园散步。
Our company is committed to completing this project on time, come rain or shine.
无论如何，我们公司都致力于按时完成这个项目。
We will support you, come rain or shine.
无论如何，我们都会支持你。