求翻译：第二天，他早早的起床准备前去参加面试。他在照镜子刷牙的同时，还哼唱着歌曲。显然他很开心，因为他对这次面试充满信心。是什么意思？

The next day, he was ready to get up early to go for interview. Brush your teeth in the mirror he is also singing the song. Obviously he was very happy, because he was the interview with confidence.

The first 2 days of waking up early, he was ready to go to attend an interview. He looked at himself in the mirror brushing their teeth at the same time, also hummed songs. It is clear that he was very happy because he is full of confidence for the interview.

Next day, he early gets out of bed the preparation to go to participate interviews.He while looks in a mirror which cleans the teeth, but also is humming the song.Obviously he is very happy, because he to this time interviews the fill confidence.

The next day, he got up early to prepare for an interview. His look in the mirror while brushing your teeth, still humming the song. Obviously he is very happy, because his confidence in the interview.

The next day, he got up early to prepare for an interview. His look in the mirror while brushing your teeth, still humming the song. Obviously he is very happy, because his confidence in the interview.