Doctor told him eat less.
Meaning: The doctor gave the boy advice to consume a smaller amount of food.
Choice of Words: Doctor is a person who has studied medicine and is qualified to treat people's illnesses. Told means to communicate information to someone. Eat less means to consume a smaller amount of food. When you put them together, "Doctor told him eat less" means that the doctor advised the boy to reduce his food intake.
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Related Expressions