Translation

• unexpectedly
• suddenly
• at unawares
• off guard
• against expectations

Synonyms

• 倏然, 冷不丁, 出人意外, 出人意料, 出敌不意, 幡然, 平地一声雷, 忽, 忽地, 忽然, 恍然, 抽冷子, 爆冷, 猛不防, 猛地, 猛然, 猛然间, 猝, 猝然, 突, 突兀, 突如其来, 突然, 蓦地, 蓦然, 豁然, 赫然, 遽然, 闪电式, 陡, 陡然, 霍地, 霍然, 骤, 骤然, 黑马

Examples

• 冷不防，老师让每个国家的学生用话筒给大家讲一下自己来哈尔滨的原因
  Without warning, the teachers ask students from each country to take the microphone and explain to everyone their reasons for coming to Harbin.