'Hard' in the Bible

Now the queen of Sheba had heard of the fame of Solomon regarding the name of Yahweh, and she came to test him with hard questions.

"Your father made our yoke heavy; now lighten the hard labor of your father and the heavy yoke which he placed on us, and we will serve you."

It happened at the moment Ahijah heard the sound of her footsteps coming through the doorway, he said, "Come [in], wife of Jeroboam. Why [are] you making yourself unrecognizable? I have been sent a hard [message] for you: