暗あん幕まく

noun

blackout curtain

A heavy curtain used to block light completely, often for photography, theater, or sleeping during the day.

• 写しゃ真しんを撮とるために、窓まどに暗あん幕まくをかけた。

  I put up a blackout curtain over the window to take photos.

• 夜や勤きんの後あとは、暗あん幕まくを閉しめて昼ひる間までも真まっ暗くらにして寝ねます。

  After the night shift, I close the blackout curtain and sleep in total darkness even during the day.