n.出色人物,优秀人物;
adj.极好的,第一流的;
例句:
John's new boat is really a jim-dandy! I wish I had one like it.
约翰的新船棒极了! 但愿我也有一条这样的船.
Jack is, in fact, a real little jim-dandy of a fellow.
其实, 杰克的确是个很出色的小家伙.
He is a jim-dandy of a boy.
他是个极好的男孩.