a number of

いくつかの、何人かの

正確な数を示さず、複数の人や物を指す表現。

やさしい英語で： Several people or things, without saying exactly how many.

• A number of people came.
• We found a number of mistakes in the report.
• Have you visited a number of different countries?

使い方： a number of + plural noun + plural verb (A number of shops are closed today.)

類義語： several, some

よく使う表現： a number of people, a number of reasons, a number of them, a number of us

ある数の

数えたり数を指定したりできる、人や物の数量を表す。

やさしい英語で： An amount of people or things, which may be counted or specified.

• Choose a number of units to order.
• The contract specifies a number of hours to be worked.
• Each box must contain a number of items divisible by three.

類義語： an amount of, a quantity of

よく使う表現： a number of units, a number of items