1. in the pink健康有力
Today I feel in the pink! I had a goodnight's sleep.

2.tickled pink感到万分高兴
(=very pleased; delighted)
I'm tickled pink to hear that Bob's askedSusan to marry him.They're both mygood friends.

3. feel blue闷闷不乐
I woke up feeling blue and I've beenfeeling blue all day.

4. sing the blues;cry the blues诉苦
She called me every now and then tosing the blues about her troubles.