If you're truly a monster, try doing leg lifts with a medicine ball hanging from your feet. Or hang from a pull up bar and raise your legs in front of you all the way up to the bar.

如果你真是一个牛人的话，试着在脚上系个健身实心球，或是在双杠上练习悬垂举腿，把腿一直举到双杠上面。

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Run the treadmill. Pull the blocks and hang there from the tree.

单调地踩着踏车，拉动石块，悬在树边。

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Before we reach our rest-stop each night, Juvva races ahead to cut down a few trees so the reindeer are better able to pull off the wispy beards of lichen that hang from their branches.

BBC: In Sweden, a long journey home