You shouldn't say, "That's hard."
You shouldn't say, "That's hard."
It's not that it's hard, just that "I haven't come up with a solution to it at this point."
The "difficult" is just a personal interpretation.
It is true that "the proposal did not specifically state how to do it."
---
This page is auto-translated from /nishio/「それは難しい」って言うべきではない using DeepL. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I'm very happy to spread my thought to non-Japanese readers.