プログレッシブ和英中辞典(第4版)の解説
にんずう【人数】
the number of people
人数を数える
count heads [the number of people present]
手伝いの人数はそろいましたか
Do you have the required [necessary] number of helpers?
志願者の人数が増えた［減った］
The applicants increased [decreased] in number.
欠席者の人数は５名だった
There were five absentees.／Five people were absent.
ブリッジをするのに人数が１人足りない
We need one more person [hand] to play bridge.
大［小］人数の家庭
a large [small] family