Conundrums
n. 谜, 猜不透的难题, 难答的问题( conundrum的复数形式 )
🗣️ 情景例句
ready for the graduation ceremony,
为毕业典礼做准备，
He is proud of his achievement.
他为自己取得的成就感到骄傲。
No, I'm afraid I'm not.
不，恐怕我来不了了。