1·Please provide tools for untieing and lashings. We'll return them to you after using.
请你提供捆扎工具，使用完毕立即归还。
2·This also reminds me of one thing, next time I should watch out for not only who are raising their hands, but also who are untieing their shoelaces.
这件事也提醒我在这里观察谁要举手提问题的时候，同时还要注意谁在解鞋带。