装怯作勇

Explanation: Originally timid, but put on a brave look. 　　Source: Lu Xun's "grave fair play" should be put on hold "I thought 'dead tigers' who fitted mood for Yong, containing quite funny, although inevitably there is suspicion of cowardice, but mood was very cute." 　　Examples: I think those who killed the tiger, ~, with quite funny, although inevitably there is suspicion of cowardice, but mood was very cute. (Lu Xun's "grave fair play should be put on hold")