flavour of the month
US /ˈfleɪvər əv ðə mʌnθ/
UK /ˈfleɪvər əv ðə mʌnθ/
1.
昙花一现, 一时流行
a person or thing that is popular or fashionable for only a short time
:
•
Reality TV stars are often the flavour of the month, quickly replaced by new faces.
真人秀明星常常是昙花一现，很快就被新面孔取代。
•
His new album is the flavour of the month, but I wonder how long it will last.
他的新专辑是一时流行，但我不知道它能持续多久。