"兴"这个字有两个读音，读xīng的时候，常常表示"开始"或者"变得多、变得强"，比如"兴起"。

The character "兴" has two pronunciations; when read as xīng, it often means "to start" or "to become more or stronger," such as in "兴起".

读xìng的时候，一般表示高兴、开心的感觉，比如"高兴"和"兴趣"。

When read as xìng, it generally expresses feelings of happiness or joy, as in "高兴" and "兴趣".