Correct

甘于

/ gānyú / 
Strokes

Definition

to be willing to/to be ready to/to be content with/accepting (of restriction, sacrifice, risk etc)

Example

As a Verb

be willing/ready/glad to

1
Gānyú
甘于
wéi
为
guójiā
国家
fèngxiàn
奉献
yīshēng
一生

be willing to give one's whole life to the cause of one's country