“Do you believe in corporal punishment for stupid school-children?”
“Yes; a spanking always makes them smart.”
To express cleverness, brightness, intelligence, aptness, the adjectives clever, bright, intelligent, apt, are better than the word smart.
Posted, Informed
“He is well posted on all matters relating to cattle-breeding.” Say informed.
Perspire, Sweat
While all mankind belongs to the animal kingdom, and no person can feel offended at being called an animal, yet society observes certain distinctions in speaking of men and of beasts. To sweat and to feed are expressions that apply to the latter; to perspire and to eat to the former.
Empty
The Mississippi river flows, or discharges its water into the Gulf of Mexico, but it can not empty so long as any water remains in the river.
Enjoyed poor health