Correct

老本行

/ lǎoběn háng /
Strokes

Example

As a Noun

old profession; profession one has always engaged in or been trained for

1
tuìxiū
退休
hòu
  
,
yòu
gàn
le
xié
补鞋
de
lǎoběnháng
老本行
  

In his retirement, he resumed his old profession as a cobbler.