cliff-hanger

n story or contest whose outcome is uncertain till the end （到终局时才见分晓的）故事或比赛.

clerestory, clergy, clergyman, cleric, clerical, clerihew, clerk, clerking, clever, clever Dick, clever-clever, cleverly, cleverness, clew, clich, cliche, click, client, clientele, cliff, cliff-hanging, climacteric, climactic, climate, climatic, climatically, climatology, climax, climb, climb-down, climber, climbing-frame, clime, clinch, clincher, cline, cling, cling film, cling to, clinging,