inept

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

"I went to the park because the weather was nice. "

"Her answer to his proposal was a slap in the face."

"The store was displaying new winter coats in the window. "

"The proficient in math was able to solve the complex equations quickly. "

"It was worth the attempt."

"He is a student of life."

"My son consistently gets good grades in math class. "

""Many students have problems understanding fractions." "

"The student is solving a math problem. "

"The student's incompetence in math was evident; he consistently struggled with even the simplest equations. "

"That movie is unsuitable for young children because of the violence. "