老师，是来传授道理，讲授学业，解答疑难问题的人。
A teacher passes on knowledge, educates on various subjects, and solve problems.
当我遇到英语问题的时候，珍妮总是来帮我解答疑难问题。
When I have got English problems, Jenny always help me with them.
在学校里老师为我们解答疑难问题，在学习上给于我们很大的帮助。
Teachers at school to answer our difficult problems in learning to our great help.
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