curtain-up的用法和樣例：
例句
用作名詞 (n.)
- The three knocks were sounded for the curtain to rise.
這時候開幕錘敲響了。 - China presented its decision to set up three protest parks in the capital before the Olympics as a step toward openness.
中國當局在奧運開幕前指定叄個公園為舉行抗議活動的地點，做為走向開放的一個步驟。 - Fortunately, the curtain went up and my friend said no more.
幸好啟幕了，我的朋友沒有再講下去。 - In the first act the curtain goes up on a dungeon in a landlord's house.
第一幕啟幕時，舞台上現出了地主家裡的一個地牢。
辭彙搭配
- ring up the curtain 響鈴開幕(開始)...
