to have curtains open 幕があく [まくがあく] /(exp,v5k) to start an act (of a play)/to have curtains open/to have an (event, period of history, etc.) start/ ------- 幕が開く [まくがあく] /(exp,v5k) to start an act (of a play)/to have curtains open/to have an (event, period of history, etc.) start/ |