Topic Noun + 问题
问题 (wèntí) means "question," "problem," or "issue" depending on context. It is a versatile noun that can refer to anything from a simple question to a complex political issue. It frequently appears in compound noun phrases where a preceding noun specifies the topic of the issue.
这个问题太难了,我回答不了。
Zhège wèntí tài nán le, wǒ huídá bù liǎo.
This question is too hard; I can't answer it.
你有什么问题可以随时问我。
Nǐ yǒu shénme wèntí kěyǐ suíshí wèn wǒ.
If you have any questions, you can ask me anytime.
环境问题越来越受到大家的关注。
Huánjìng wèntí yuè lái yuè shòudào dàjiā de guānzhù.
Environmental issues are receiving more and more attention from everyone.