Correct

大捞一把

/ dà lāoyībǎ / 
Strokes

Example

Definition

profit enormously/handsomely/greatly (from); boost one's profits

1
Tā
他
cóng
从
nā
那
bǐ
笔
jiāoyì
交易
zhōng
中
dà
大
lāo
捞
le
了
yī
一
bǎ
把
  
。

He gained a handsome profit from the transaction.