Ⅰ （旧时打更用的梆子） watchman's clapper Ⅱ （敲打木头或竹板声） rat- tat;rat-a-tat:突然传来了一阵 ～ ～ 的敲门声。 Suddenly there came a rat-a-tat on the door. ◆梆子 watchman's clapper;（乐器） wooden clappers； 梆子腔 Chinese local operas performed to the accompaniment of wooden clappers;the music of such operas