I used a screwdriver to tighten this screw.

我用丝起子这根丝拴紧。

The screw is loose. Can you tighten it up?

丝松了。你可以它拴紧吗？

Does Harvey know his puppy's off his leash?

哈维知道自己的狗没拴紧吗？

They hurried to tighten the chains and fasten them securely to iron pegs, which they forced deep into the ground wit h their wands.

驯龙者匆匆拴紧链条，它们在铁柱上，又用魔杖铁柱深深钉在里。

Then measure about 27 inches of string length from top to bottom and wrap 6 times, which will give you 12 strings to hang your Zongzi from, because remember we're making a dozen.

量出大约27英寸的绳子长度，从上到下缠绕6次，这样你就会得到12根绳子，用来拴紧你的粽子，因为我们要做打。