Correct

甩开膀子

/ shuǎi kāi bǎngzi / 
Strokes

Definition

to throw off inhibitions/to go all out

Example

Definition

go all out; go full steam ahead; do the best one can

1
Shuǎikāi
甩开
bǎngzi
膀子
dàgàn
大干

go full steam ahead with one's work