I've trained it so well that it can speak mandarin.
2
普通话口语表达的“说话”是训练和测试的主要难点。
"Speaking" is the difficult part both in training and in testing of Putonghua fluency.
3
在普通话教学中加强语感训练,对学生进行人文熏陶是避免声调误读现象的有效途径。
In Putonghua teaching, the effective ways to avoid the errors are strengthening the training of language sense and exerting an edify influence upon students' humanity.