block tackle

基本解釋

I finally hoisted him up with a block and tackle.
我最終用滑輪組把他吊了上去。
This paper puts forward some methods of solving mechanical efficiency of tackle-block, hoping to help students break through difficulties.
本文就有關(guān)滑輪組機(jī)械傚率的解題提出一些解決方法，有助於幫助學(xué)生突破難點(diǎn)。
The drilling line is reeled over the crown block and traveling block to gain mechanical advantage in a "block and tackle" or "pulley" fashion.
鑽井用鋼絲繩通過天車和遊動(dòng)滑車以滑輪組的形式獲得機(jī)械上傚益。
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Delegates in Spain hit a major stumbling block Tuesday when the African group pulled out of some climate talks, saying rich nations are not doing enough to tackle climate change.

If an advertiser chooses to merely block and tackle, lacking human relevance, his message will die a quick death.
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There is a management mind-block around the challenges they can legitimately tackle.
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