clutch at
phrasal verbclutch at something/somebody
to try to quickly get hold of something/somebody 试图一把抓住 The child clutched at his mother's skirt. 这孩子抓住他母亲的裙子。 He felt himself slipping and clutched at a branch. 他感到自己滑了一下，便一把抓住一根树枝。