Qiúmí men kàn dào míngxīng rùchǎng, gège jīdòng bùyǐ.
The fans were all extremely excited when the star entered.
Tips
usage
不已 means 'without end' or 'ceaselessly,' so 激动不已 literally means 'to be excited without stopping.' It's stronger than just 激动 alone and conveys that the emotion is overwhelming.
