ちょっと難むずかしい

expression, i-adjective

a little difficult; slightly hard

Used literally when something is somewhat difficult or challenging.

• この問もん題だいはちょっと難むずかしいですね。

  This problem is a little difficult, isn't it?

expression, i-adjective

not feasible; not possible; tough

Euphemistic use to indirectly express that something is unlikely or impossible, often as a soft refusal.

• 明日あしたまでに終おわらせるのはちょっと難むずかしいです。

  It's a bit difficult to finish by tomorrow (implying it's not really possible).