ply your trade

ply (one's) trade

To go about one's normal business or employment. Despite the dominance of big supermarket chains, local vendors still ply their trade along the pedestrian area as they have done for decades.
See also: ply, trade
Farlex Dictionary of Idioms.

ply your ˈtrade

(written) do your work or business: This is the restaurant where he plied his trade as a cook.
See also: ply, trade
Farlex Partner Idioms Dictionary
See also:
  • ply (one's) trade
  • have someone by the short and curlies
  • have (one) by the short and curlies
  • get (one) by the short and curlies
  • get someone by the short and curlies
  • get/have somebody by the short hairs
  • get (one) by the short hairs
  • have (one) by the balls
  • have a man by the balls
  • have someone by the balls
References in periodicals archive
It may be a bit basic but there are still over 10,000 players to sift through, 12 cup titles to compete for and 14 UK and Europe divisions in which to ply your trade.
While you might think that that title is rather saccharine and simply not what you have in mind with regard to where you presently ply your trade, the subtitle is actually more telling: 26 Ways to Get What You Want at Work.