(IP (NP-SBJ (NN 嘴巴)) (VP (VP (VV 紧闭)) (PU 、) (VP (VV 宽咧) (PP-EXT (P 到) (NP (QP (CD 两)) (NP (NN 腮))))))) arg0: 嘴巴 arg1: 到 两 腮