dandy
/ˈdændɪ; `dændɪ/ n
man who cares too much about the smartness of his clothes and his appearance 过分注意衣著和外表的男人; 花花公子.
dandy / ˈdændɪ; `dændɪ/ adj (-ier, -iest) (infml 口 esp US) very good; excellent 极好的; 优秀的
all fine and dandy 非常好
That's just dandy! 那太好了!