让宽端从结里传过来，然后向下拉紧。
Thread the wide end through the top of the knot and pull it down to tighten.
用一根连线把两个罐头盒串起来，线的两端各自固定在每个罐头盒底部的小孔上，拉紧以后，就做成了相距几码远的很好的一部电话机。
Two tins, connected with string fixed through a hole in the bottom of each tin and stretched tight, form a good telephone over a few yards.
凯文把拴在死树上的导索展开，将其另一端固定在他的货车上并向前牵引拉紧。
From the dead tree, Kevin uncurled the guide rope, anchored the other end to his van and pulled forward to tighten it.
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