meant

"He is a student of life."

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

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

"The meaning of the teacher's hand gesture was clear: "Pay attention." "

"My daughter's teacher is very kind and helpful. "

"My conviction that hard work pays off is what motivates me to study diligently. "

"Attending all your classes is of great importance to your success in school. "

"Many students invite their parents to school events. "

"Her voice was faltering as she apologized, her confidence clearly shaken. "

"Words cannot express the love I feel for him."

"The formality of the school's dress code is strict; students must wear uniforms. "

"I believe he is sincere in his offer to help."