disappointing

"My friend told me there was something in the box, but I didn't know what it was yet. "

"His creativity is unsurpassed by his fellow students in the art class."

"deliver a captive from the prison"

"The student attempted to answer the question, but he didn't know the correct answer. "

"His lack of respect disappointed her."

"The stock market has been underperforming this year, with most investors seeing little to no profit. "

"The child's disappointment was evident when he didn't get the toy he wanted for his birthday. "

"The student's enthusiasm for history was a form of divine inspiration, making him memorize facts effortlessly. "

"My expectation is that the school will have a good field trip next week. "

"It was an experience he would not soon forget."

"I felt displeased with the boy."

"The teacher's assessment of the student's progress showed significant improvement. "