"My ear is aching."

Translation: मेरे कान में दर्द हो रहा है।

[NicoleMisra]

Why dard ho raha?

[vinay92]

There is no commonly used verb that is equivalent to 'to pain'/'to ache' in Hindi.

दर्द is a noun. So, taken literally, the Hindi sentence 'मेरे कान में दर्द हो रहा है' would translate to something like ' Pain is happening in my ear'.

[cynthiaava15]

Thank you so much. I fully understand your explanations.

[Wikilingo]

Why मेरे and not मेरा/मेरो if it is about a single कान?

[vinay92]

The noun phrase 'मेरा कान' is in the oblique case due to the postposition में. The oblique-case form of मेरा is मेरे and of कान is कान itself.

[Barbolise]

Would the plural oblique case be कानों?

[vinay92]

Yes

[yhagood]

Why में?

[Zerenei]

मेरे कान में = in my ear, दर्द हो रहा है = pain is happening.