I am teaching you professional behavior.

我在教导你们专业的行为。

麻省理工公开课 - 固态化学导论课程节选

Dustin Johnson's dad was also a teaching professional.

WSJ: Peter Uihlein's Masters Debut Raises Questions About Golf's Talent Pipeline

For too long our education reformers have tried to create a professional teaching corps from the top down, and union leaders have fought to maintain an untenable system.

WSJ: Training Teachers to Embrace Reform

For the last 12 years, the National Board for Professional Teaching Standards, which operates with private, foundation, and federal funds, has been working to build a system of voluntary national certification for outstanding teachers.

UNESCO: II Part Analytic Section