肝脑涂地的英文：
[Literal Meaning]
liver/brain/cover with/ground
One's liver and brain have been spilt on the ground

[解释]
形容非常忠诚，不怕牺牲。

[Explanation]
to be willing to repay a favor with extreme sacrifice

[例子]
他对你究竟有什么恩惠，值得你为他肝脑涂地？

[Example]
What good did he do to you? Why would you rather sacrifice for him?

To try one’s very best to serve someone, even at the expense of one’s own life
肝脑涂地

We would be ready to die the cruelest death for our principles without any grudge.
我们纵然肝脑涂地，在所不惜。