Chiu sir, who is a great teacher, of course he not only has a huge of experience and good quality to teach us, and also he has very good temper; patience; smart ideas, and he can understand each student the character to set the study method , actually even when I at grade 2 ,3 ,I still had the foolish brain, till to middle of grade 4, I asked Chiu sir let me start to learn the theory , then I really discover Chiu sir is very smart and has best way to teach the quite slowly student such as me.