She taught us how to pronounce those difficult words 她教我们如何发这些难字的音。
2.
We came across some hard words 我们碰上一些难字。
3.
The texts cover chinese geography , history , people , nationalities , politics , economics , technology , education , traditional thought , literature , arts , culture , travel and international communication 内容简明概括，语言通俗易懂，难字加注拼音，并有思考题和讨论题。
4.
As to undecided judgment , he would reserve all sides of different view . in xungu , yanshigu pay much attention to phonetic notation norm , stress standardly , asking justice with the sound , the sound which has solved the unfamiliar word is read and justice is trained 在训诂方面，颜师古非常重视注音规范，讲求雅正，以音求义，解决了难字的音读及义训。
