初生之犢不怕虎 [ㄔㄨ ㄕㄥ ㄓ ㄉㄨˊ ㄅㄨˋ ㄆㄚˋ ㄏㄨˇ; chu1 sheng1 zhi1 du2 bu4 pa4 hu3] A new-born calf has no fear of the tiger (idiom). The fearlessness of youth. ◄ ►