在教与学的过程中,相互抱怨的事是常有的。老师抱怨:现在的学生难教,你有千条妙计,他有一定之规,任凭你磨破嘴皮可学生却不往心里去,施教者是呕心沥血,受教者竟然无动于衷,"一生辛苦谁人解,枉费心血独自悲。 In the teaching and learning process, mutual complaints are common. The teacher complains: Now the students are difficult to teach, you have thousands of wonderful ideas, he has a certain rules, despite your worn-out students can not go to the heart, teaching is painstaking, the practitioners even indifferent, People solution, wasting self-willed alone sad.