(IP (ADVP (AD 而且)) (NP-SBJ (DNP (NP (NN 脚步)) (DEG 之)) (NP (NN 快))) (PU ,) (VP (VV 令人咋舌)))
ARG0: 脚步 之 快 ARGM-DIS: 而且 REL: 令人咋舌