as happy as a king

例句：

1. 1.He was so happy that he danced all night.
   他非常开心，整晚都在跳舞。
2. 2. She was as happy as a child on Christmas morning.
   她在圣诞节早晨时非常开心，就像孩子一样。
3. 3. The couple's happiness was as high as the sky.
   这对夫妇的幸福非常高，就像天空一样。