retard to delay the development of something, or to make something happen
more slowly than expected [syn] slow down: Cold weather retards the growth
of many plants.
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いきなり三が日から最低限レベルでスタートですわ。
英語５分間トレーニング(2010年1月3日「正月」に関する表現)
Have you made any New Year's resolutions?
The New Year's holiday is almost over.
How soon after New Year's do you start working?
I idled away the first three days of the New Year.
idle sth <-> away to spend time in a relaxed way, doing nothing:
They idled their time away in the pub.
I lost my edge over the New Year's holiday.
lose your edge to lose the qualities or skills that made you successful
in the past:
She's still competing, but she's two years older now and she's lost her edge.
(from Cambridge Idioms Dictionary, 2nd ed.)
I'm still on New Year's holiday in my mind.
to/in my mind used to show you are giving your opinion about something
I look forward to working together again this year.
にゃもし(*´ω｀*)
