I'm thrilled.我太激动了;

　　I'm in a good mood today.我今天心情很好;

　　I'm walking on air.我高兴得飘飘欲仙;

　　I jumped for joy.我高兴得跳了起来;

　　This is too good to be true.这简直难以置信;

　　Nothing could be more wonderful.没有比这更让人高兴了;

　　Hold your horses. 不要着急。