Correct

拼力

/ pīnlì / 
Strokes

Definition

to spare no efforts

Example

As a Verb

go all out; do one's utmost

1
Pīnlì
拼力
sǐzhàn
死战

fight fiercely and desperately

2
Pīnlì
拼力
duóguàn
夺冠

go all out to get the championship