Correct

死力

/ sǐ lì /
Strokes

Example

As a Noun

all one's strength/might

1
Chū
死力

exert one's utmost effort

As a Verb

bring all one's strength into play; muster(up)/summon all one's strength; do with all one's might/strength; do with might and main

2
死力
zhàndòu
战斗

fight to the death; carry on a desperate fight