It's a poor teacher who can only control the class by roaring at the children.

只会靠向孩子吼叫来维持秩序的老师是无能的。

youdao

Many Chinese college students volunteer to be a teacher in the remote and poor areas.

许多中国大学生志愿到边远贫困地区支教。

youdao

She's a good teacher but a poor manager.

她长于教学，却拙于管理。

《牛津词典》

If so, either the President is a slow learner or professor Summers a particularly poor teacher.

FORBES: Discharge Incapable Commanders

The Dakar Conference will just be another talking shop if governments are allowed to give lame excuses about shortcomings in girls education, run-down schools, inadequate teaching-learning aids, poor teacher supply, and funding.

BBC: You are in: Talking Point

Unless your children are among those classes stuck with a poor performing teacher, you may be inclined to neglect this problem by hoping for better over the next school year.

FORBES: Why Rahm Was Right To Fight For Kids