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1·He can tie a bowline.

他能系帆角索。

2·Double bowline is used by many climbers as their primary knot.

双布林结通常是攀登者最初使用的绳结。

3·The bow protrudes from the bowline of large ships just below the waterline.

大型船只在吃水线下的部位，从前体纵剖线伸出一个球鼻形船首。

4·The bowline is not only strong and secure but is easy to break loose later, even when pulled tight under a load.

称人结不但牢固，安全，而且之后还容易解开，即使在带着负载力拉紧时也是如此。

5·The bowline has worked loose on me during long routes, however the 'improved bowline' is something I use when I am sport climbing and falling off is more frequent.

称人结在我爬长路线曾经松开，而爬短路线且很常坠落时我会用改良版称人结。

6·You had forgotten to tie in. I was a qualified mountain guide when this happened! Luckily I could tie a bowline one-handed. Other climbers have not been so fortunate.

这件事发生时我是领有执照的登山向导，好在我一只手就可以打撑人结，别的攀岩者可没有如此幸运。