About “高兴” gāo xìng ” ”高兴- happy“ can be used as a Adj.(形容词-xíng róng cí ） in Chinese，it generally used together with“很hěn-very 、非常fēi cháng -very/extremely 、太...了tài ... le too，真zhēn-so/real）； eg：看到你太高兴了 kàn dào nǐ tài gāo xìng le 。 今儿个真高兴 jīnr ge zhēn gāo xìng。 Other expressions as Adj.： 高兴不高兴？gāo xìng bù gāo xìng ？ 高高兴兴gāo gāo xìng xìng And it also can be a Verb in Mandarin, means to make sb be happy，or be glad to do sth. eg：听到这个消息，他高兴得睡不着觉。 tīng dào zhèg xiāoxī ， tā gāoxìng de shuì bù zháo jiào. 两个人高兴地用中文聊天。 liǎngge rén gāoxìng de yòng zhōng wén liáo tiān. Other expressions as Verb： 说出来让我们高兴高兴 。shuō chūlái ràng wǒmen gāoxìng gāoxìng. What do you think about it? If you have any ideas or interesting experience in learning Chinese Please feel free to leave your message or comment. 谢谢！