高兴极了

• as happy as a sand boy

例句

1. 老爷爷听说他的孙子孙女们要来他家里玩，简直高兴极了。
   The old man became as cheerful as a lark when he heard that his grandchildren were coming for a visit.
2. 只要给他一个桶子和一把铲子，他就高兴极了！
   Just give him a bucket and spade and he's in seventh heaven!