As a teacher you are more or less obliged to pay the same amount of attention to everything. That can wear you down.

As a teacher you are more or less obliged to pay the same amount of attention to everything. That can wear you down.

作为一名教师，你或多或少有义务对每件事都给予同样的关注。这会让你疲惫不堪。

-- Marilyn Hacker 玛丽莲黑客