She got her feet wet teaching while she was in the Peace Corps.

She wants to engage in teaching.

She went into teaching.

Given her interest in children, I am sure teaching is the right career for her.

He went into teaching.

He has long experience in teaching.

He'd had no experience of teaching, but he plunged in nonetheless.

Teaching is a profession of my own choosing.

My uncle retired from teaching last year, but he still managed to hang onto a position at the university.