Teacher smiled at student's effort.
Meaning: This sentence portrays a teacher expressing approval or encouragement for a student's hard work and dedication.
Choice of Words: Teacher is a person whose job is to teach students. Smiled means to form a smile with one's mouth, typically as an expression of happiness or amusement. Student is a person who is studying at a school or college. Effort refers to the amount of work or energy someone puts into a task.
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