Liu Boming (astronaut) space walk. Liu wore a Russian Orlan-M spacesuit, while Zhai wore the Chinese-made Feitian space suit. Liu remained in the open portal of the orbital module, assisting Zhai on his spacewalk; later in the space walk, Liu also performed a stand-up extra-vehicular activity, partially leaving the orbital module in order to hand Zhai a Chinese flag. After the spacewalk, Liu said in an interview that his inspiration and idols have always been Neil Armstrong and Yuri Gagarin. Liu Boming (astronaut) Liu Boming (; born September 1966) is a Chinese pilot selected as part of the Shenzhou program. A fighter pilot
Chinese as a foreign language Chinese language proficiency exam program, which tests has been taken around 100 million times (including by domestic ethnic minority candidates). Within China's Guangdong Province, Cantonese is also offered in some schools as optional or extra-curricular courses in select Chinese as a foreign language programs, although many require students to be proficient in the Mandarin first. Chinese is rated as one of the most difficult languages to learn for people whose native language is English, together with Arabic, Japanese and Korean. According to the Foreign Service Institute, a native English speaker needs over 2,200 hours of intensive study, taking 88 weeks