为什么是don't be shy 而不是直接don't shy

Don't be shy 歌词中有一句 don t be shy shy 是什么歌 歌名 有一首歌：歌词有一句：Baby don't be shy shy,don't be shy shy,to the lef don't be shy just try翻译 Don't be shy ,Just to try. DON'T BE SHY 的下一句是什么 Don't (be) shy. Speak loudly, please Don't be shy是什么语法结构? 《don't be shy》的白痴问题 Don’t be shy,just try.什么意思? "Don't be shy'' she said to me 问英语达人一个问题,为什么Don't be shy.这种句型中一定要用be 呢,