discouraging

"Her confidence in her ability to speak French helped her to participate more in class discussions. "

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

"The constant noise from the construction site made it hard to concentrate on my homework. "

"Please extinguish your cigarette before entering the building. "

"It takes a lot of courage to be successful in business."

"That salesman was able to persuade me into buying this bottle of lotion."

"The negative comments from the teacher dishearten the student, making her lose her motivation to study. "

""Many students have problems understanding fractions." "

"That famous singer, somebody everyone recognizes, is performing at the school concert. "

"Failing the test discouraged her from studying hard. "

"The politician received a lot of public criticism for his controversial stance on the issue."

"The constant criticism from her peers caused a lot of discouragement, making her lose interest in her school project. "