n.

1. 限制；約束；限定；限制規定[U][C][（+on/against）]
   The swimming club is open to families in the neighborhood without restriction.

   這個游泳俱樂部對鄰近地區的家庭開放，不受限制。

n.

1. a limiting condition or measure.
2. the action or state of restricting or being restricted.