acting is more about the voice tone and sounding convincing if you know how to act but cant do a good voice tone than you might want to consider getting out of that class. when you put students to act they will most likely to get shy versus if they just read.
the speaker sounds disappointed, as he was so close to finally grasping but they keep leaving him. it also says he chases them madly but is unable to catch them. showing disappoint in himself.