Usage note
好玩儿用来形容一件事或一个东西让人感到开心、有趣。口语里常说,带儿化音更自然。
hǎowánr yòng lái xíngróng yī jiàn shì huò yī gè dōngxi ràng rén gǎndào kāixīn, yǒuqù. kǒuyǔ lǐ cháng shuō, dài érhuàyīn gèng zìrán.
This word describes something that is fun or interesting. It is common in spoken Chinese, and the 'r' sound at the end makes it sound more natural in conversation.