春节的风俗英语简短表达如下：

除夕夜团聚：

The festival officially kicks off with the reunion dinner, where families gather to feast on an opulent feast.

红包交换：

Red envelopes filled with money are exchanged, symbolizing good fortune and wishes for the new year.

守岁：

Counting down the hours until midnight, the custom of 'gathering to see the old year out and the new in' holds great significance.

放鞭炮和烟花：

Fireworks and loud crackers add an explosive display of joy and celebration.

拜年：

Visiting relatives and friends, giving lucky money or red packets to children.

祭祖：

Ancestor worship, also known as visiting the graves or temples to honor ancestors.

贴春联：

Attaching couplets on doors and walls for good luck and blessings.

饮岁酒：

Drinking New Year's wine to celebrate the coming of the new year.

扫尘：

Sweeping the dust to sweep away bad luck and make way for good fortune.

舞龙舞狮：

Performing dragon and lion dances to bring good luck and drive away evil spirits.

这些表达涵盖了春节的主要习俗和活动，简洁明了地介绍了每个习俗的英语对应词汇和含义。