过生日 Traditional form: 過生日 Pinyin (reading): guòshēngrì Definitions: to celebrate a birthday Characters: 过 - pass; to go across, to pass through 生 - life, lifetime; birth; growth 日 - sun; day; daytime Traditional characters: 過 - pass; to go across, to pass through 生 - life, lifetime; birth; growth 日 - sun; day; daytime