happy

• 快乐的笑声

  sound of happy laughter

• 快乐地度过节日

  happily pass a holiday

• 在晚会上大家都感到非常快乐。

  Everyone at the party was very happy.

• 人生最大的快乐是全心全意为人民服务。

  The greatest happiness in life is to devote oneself to the task of serving the people.

• 祝您生日快乐。

  Happy birthday to you.