clip-clop

n sound (like that) of horses' hoofs on a hard surface （像）马蹄在硬路面上发出的声音; 咔咔声.

climb-down, climber, climbing-frame, clime, clinch, clincher, cline, cling, cling film, cling to, clinging, clingy, clinic, clinical, clinical thermometer, clink, clinker, clinker-built, Clinton, clip, clip-joint, clip-on, clipboard, clipper, clipping, clique, cliquy (also cliquey, cliquish), clitoral, clitoris, Cllr, cloak, cloak-and-dagger, cloakroom, clobber, cloche, clock, clock golf, clock tower, clock-face, clock-watcher,