1, staying up late.
2. Set off firecrackers: twist firecrackers.
3, eat New Year's Eve: bring/have new year's goods.
4. Watch the Spring Festival Gala: Watch the Spring Festival Gala on TV.
5, red envelopes: red envelopes.
6. Buy new year's goods: special for the Spring Festival; Shopping during the Spring Festival.
7. Decorate the house: decorate the house.