Correct

粉身碎骨

/ fěn shēn suì gǔ / 
Strokes

Definition

lit. torn body and crushed bones (idiom)/fig. to die horribly/to sacrifice one's life

Example

Definition

have one's body smashed to pieces and one's bones ground to powder—die the most cruel death (for a cause, etc)

1
Wǒ
我
nìngyuàn
宁愿
fěnshēnsuìgǔ
粉身碎骨
yě
也
bù
不
tóuxiáng
投降
  
。

I would rather have my body smashed into pieces than surrender.