柯林斯詞典block and tackle 1. N a hoisting device in which a rope or chain is passed around a pair of blocks containing one or more pulleys. The upper block is secured overhead and the lower block supports the load, the effort being applied to the free end of the rope or chain 滑輪組 返回 block and tackle劍橋詞典a device for raising objects off the ground , consisting of one or more small wheels with a rope or chain going around them, connected to a high part of a building 滑輪組;滑車組 返回 block and tackle