The teacher should encourage the child to proceed as far as he can, and when he is stuck, ask for help.

老师应当鼓励孩子尽可能独立思考，自己想不出来了，再寻求帮助。

《柯林斯英汉双解大词典》

youdao

youdao

At about this time, several people told Marian that she should have a voice teacher.

VOA: special.2009.01.18

Our teacher,Mr.Rice,said she should have singing lessons.

VOA: special.2009.02.14

If ADHD is suspected, a child should have at least two doctor's visits along with his or her parents, and the child's teacher should weigh in too.

CNN: Youngest kids in class more likely to be diagnosed with ADHD

The head teacher should be the key decision maker, agreed Mr Salmond, who went on to say that was the advice the education secretary had given out to local authorities.

BBC: First Minister's Questions

As student roles evolve within a more personalized, tech-rich learning environment, teacher roles should evolve accordingly.

FORBES: What We Can Learn From A Dinner Controversy In The Desert