be a nine days' wonder
US /bi ə naɪn deɪz ˈwʌndər/
UK /bi ə naɪn deɪz ˈwʌndər/
1.
昙花一现, 九日奇迹
something that causes great interest when it is new, but is soon forgotten
:
•
The new celebrity scandal will be a nine days' wonder; people will forget about it next week.
新的名人丑闻将昙花一现；人们下周就会忘记它。
•
Many new gadgets are a nine days' wonder, quickly replaced by the next big thing.
许多新奇的小玩意昙花一现，很快就被下一个热门产品取代。