большое количество

a large number of

→ большой
phrase Rare #30,748
a large number of Used with both countable and uncountable nouns; the noun that follows is in the genitive case.
RU: В городе большое количество парков.
EN: There are a large number of parks in the city.

У него большое количество книг.

He has a large number of books.

Думается, что жертва приняла большое количество яда случайно.

It is thought that the victim accidentally ingested a large amount of poison.

Это большое количество.

That's a large quantity.