Ahmed had been pulled from a desk job for the mission and had never descended a fast rope.

Ahmed是被从办公室中抽调出来参加这次任务的，他以前从未使用过速降绳。

youdao

Hans takes Gretel, ties her to a rope, leads her to the rack, and binds her fast.

汉斯抓住格蕾特，把她绑在一根绳子上，带她到饲料槽，把她捆得紧紧的。

youdao

The rope hasn't been tied fast.

绳子没系牢。

《新英汉大辞典》

Ahmed had been pulled from a desk job for the mission and had never descended a fast rope.

NEWYORKER: Getting Bin Laden

My platoon was going to be fast roping directly onto a platform a couple hundred yards from the main building and my first task was to control the fast rope and direct the pilots into the right position and elevation.

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The pilot scrapped the plan to fast-rope and focussed on getting the aircraft down.

NEWYORKER: Getting Bin Laden