classes:  lecturer. You're a little slow and cumbersome, leading many students to not fully understand what you're saying.  curriculum. You're a little slow and cumbersome, leading many students to not fully understand what you're saying.  facility. You're a little slow and cumbersome, leading many students to not fully understand what you're saying.  general. You're a little slow and cumbersome, leading many students to not fully understand what you're saying.