New Year's Eve
US /ˌnuː jɪrz ˈiːv/
UK /ˌnuː jɪrz ˈiːv/

1.
Новый год, канун Нового года
the last day of the year, December 31, which is celebrated with parties and other festivities leading up to midnight and the start of the new year
:
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We're planning a big party for New Year's Eve.
Мы планируем большую вечеринку на Новый год.
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Many people watch fireworks on New Year's Eve.
Многие люди смотрят фейерверки в Новый год.