Correct

算旧账

/ suàn jiùzhàng / 
Strokes

Example

As a Verb

settle an old account/score; clear (off) a score; pay/wipe off old scores

1
Gēn
跟
mǒurén
某人
suàn
算
jiùzhàng
旧账

settle old scores with sb; settle/square accounts with sb