When he began giving tips to the veteran mechanic, I told him, don't teach your grandmother how to milk ducks, since she's been fixing engines for forty years.

My grandmother refuses to try smartphones — you can't teach an old dog new tricks.

Her teacherlike patience helped the anxious students settle into the new school year.

Several home teachers volunteered to help students prepare for the finals by offering extra study sessions.

The teacherless study group struggled to focus without guidance.

The new home teacher arrived early to prepare materials for her first lesson with the family.

The teachers' pets nervously waited to be called on during the exam.

The teacher's pets always sit in the front row and volunteer to read aloud.

supply teachers often have to adapt quickly to different classroom routines and expectations.