寫字時光線的方向不對，被手擋住，致使寫字的地方光線太暗。你噉坐遮手影?，掉翻轉啦。（你這樣坐手擋住光線了，掉轉過來吧。）

slang for backlight; to do something with one's back to the light; the light shining in the wrong direction, covered by the shadow of one's hands when writing