[译] 过春节时中国人总是吃得很丰盛。
[误] In Spring Festival Chinese always have big dinner.

[正] At Spring Festival Chinese always have big dinner.
[注] “在……节日里”习惯上用介词 at，如 at Easter（复活节）/at Whitsunday（降灵节）/at Christmas（圣诞节）等。如：At Christmas I sent a greeting card to a friend of mine. 圣诞节时我给我的一位朋友寄了一张贺卡。