起飞 Traditional (Taiwan): 起飛 On the HSK 2 vocabulary list, at CEFR level A2. qǐfēi ㄑㄧˇ ㄈㄟ to take off to lift off of an aircraft or rocket (of an enterprise etc) to start to develop rapidly fig. Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT