夜遅いのでテレビの音量を絞った。
It was late at night, so I turned the TV volume down.
背景までくっきり写すために、レンズを絞って撮影した。
I stopped the lens down so that even the background would come out sharp.
袋の口をひもで絞ってしっかり閉じた。
I drew the mouth of the bag tight with the cord and closed it securely.