明暗 めいあん境界 きょうかい線 せん

meian kyō kaisen

1. Not a boundary between light and darkness.; Not a clear distinction.

1. Was the boundary between light and darkness.

1. Light-dark boundary; Border between light and darkness

1. Light-dark boundary; Brightness/darkness border

1. Not the boundary between light and dark.; It's not a clear-cut distinction.

1. It's not a boundary between light and darkness.; It's not a clear distinction.

1. The boundary between light and shadow was.

1. Light-dark boundary; Brightness threshold

1. Not the boundary between light and dark.; It is not a clear distinction.

1. Wasn't the boundary between light and darkness.; Wasn't the light-dark boundary.

1. Probably the boundary between light and darkness.; Probably the line between clarity and obscurity.

1. It wasn't the boundary between light and darkness.; It wasn't the line between brightness and gloom.

1. Wasn't the boundary between light and dark.; Wasn't a line between brightness and darkness.

1. Probably the boundary between light and darkness.; Probably the line between clarity and obscurity.

1. It was not the boundary between light and darkness.; It wasn't the light-dark boundary.

1. If/when the boundary between light and darkness; If it were the boundary between light and darkness

1. If it is a light-dark boundary; If it’s the boundary between light and darkness.

1. If/when the light-dark boundary line; When there is a light-dark boundary line