decrypt

"communication of a secret"

"The student's intelligence allowed her to quickly grasp the complex mathematical concepts in class. "

"My teacher explained the new math concept, and I understood it perfectly. "

"She gave a studied reply."

"The spy decoded the secret message to learn the enemy's plans. "

"The store is offering a special on school supplies this week. "

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"The spy encrypted the message to keep its contents secret from the enemy. "

"They were all converts to Islam."

"My teacher gave a message to the class about the upcoming exam. "

"The spies used a codebook to translate secret messages into everyday language. "

"The marketing analyst studied sales data to find ways to increase profits. "