use as describing the terrible situation on 4e by a comedian Mr. Sin Gui, including Singyin students cant use the ็ ็ of a ball pen to reduce friction. The poor handwriting of the Singyin boys and the brilliant physics test result of 4E boys(which his primary 3 son can easily finish the task. Directly caused Sin Gui desperately cry: ๆ่ฆบๅพ่่จไป็ไฟๅบๅบฆ็ก้ๆฒๅบ
1. even my primary 3 son can finish this task, I think that singyin boys are really infinitely sinking!