An unknown quantity
未知量, 难预测的事
🧩 词语组成解析
an
[æn]
art. 一（在元音字母前代替不定代词a）;一任一某一;一个;
🗣️ 情景例句
Do you think the skirt length is right, Ellen?
觉得这裙子长度合适吗，Ellen？
The only cure for grief is action.
行动是对悲痛唯一的治疗。
At the end of this period we put the play on in a theatre.
最后我们就在剧场上演这出戏。