tie off

基本解释

Remove your pants, fill them with air, then tie off the legs.
脱下裤子，充满空气，系好裤腿的两头。
Current retinal procedures to repair detachments or rips, for example, may involve several incisions in the eye and stitches to tie off the perforated areas.
比如现在的修复视网膜脱落或破裂的治疗流程，可能要在眼睛里做几个切口并且缝合，重新连上穿孔区域。
Personnel working on a scaffold platform with full handrail, mid rail, toe boards and gated access are not required to tie off when working inside the platform area.
在扶手、间隔档、板和进出门齐全的脚手架平台上工作的人员，如果在平台区域内部工作，不需要系牢自己。