Dú / wán / zhè / běn / jiào / cái / hòu / wǒ / hái / méi / yǒu / wán / quán / chī / tòu / qí / zhōng / de / lǐ / lùn读完这本教材后,我还没有完全吃透其中的理论。After finishing this textbook, I still have not fully understood its theories.