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nail down
nail down {v. phr.}, {informal}
Уточнять; закреплять (успех); решать, назначать.
Joe had a hard time selling his car, but he finally nailed the sale down when he got his friend Sam to give him $300.
The New York Yankees nailed down the American League Championship when they beat the Red Sox 3 to 0 on September 15.
Категории:
Источник: A Dictionary of American Idioms
