春运:

① Spring Festival travel rush

② Spring Festival travel season

例句：

The Spring Festival travel rush is famously known as the largest annual migration/maɪˈɡreɪʃn/ on earth.

春运是地球上最大规模的年度迁徙。

抢票:

Snap up tickets

例句：

It’s difficult to snap up tickets during the Spring Festival travel season.

春运期间，火车票非常难买。

黄牛、票贩子:

Ticket scalper/ˈskælpər/

例句：

I was forced to buy the ticket from scalper last year.

我去年就被迫向黄牛党买票。