How do you say a hard language in Yoruba language?

There isn't a direct translation for "hard language" in Yoruba that captures the same nuance as in English. However, you can express the concept in a few ways:

1. Focusing on difficulty:

* Èdè tí ó nira: This literally translates to "language that is difficult."

* Èdè tó ṣoro: This translates to "language that is hard."

* Èdè tí ó jẹ́ kí ó ṣoro láti kọ́: This translates to "language that is difficult to learn."

2. Focusing on complexity:

* Èdè tí ó rọ́rùn: This translates to "language that is complicated."

* Èdè tí ó ní ọ̀pọ̀lọpọ̀ àwọn òfin: This translates to "language that has many rules."

3. Using an idiom:

* Èdè tí ó bí ẹ̀rọ̀: This idiom literally translates to "language that is like a machine," implying it's very complex and difficult to understand.

The best way to express "hard language" in Yoruba depends on the context and the specific nuance you want to convey.