"不开心"当然不好，那要表示和它相反的意思，"让……有趣些"该怎么说呢？请看下文。
A: What do you think of this?
你觉得这怎么样？
B: It's kind of dead. Maybe you want to add more graphics to jazz it up.
有点闷。也许你可以加点图让它变得生动有趣些。
"jazz (something) up" 是指"使一件原本可能有点沉闷的事变得有趣些"。比如：有人在一个冗长的会议里做些说些笑话之类的事，企图让大家从昏迷中醒来，就可以说"He tried to jazz the meeting up."