If you describe someone as starstruck, you mean that they are very interested in and impressed by famous performers, or that they want to be a performer themselves.
例句
At first I was a bit starstruck but then I realised they were just doing their job, same as me.起初我有点崇拜明星，但后来我意识到他们只不过和我一样在做自己的本职工作。...a starstruck teenager who auditions for a TV dance show.去参加电视舞蹈表演试演、一心想当明星的少年