I used a screwdriver to tighten this screw.

我把螺丝起子把这根螺丝拴紧。

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英绳子长度，从上到下缠绕6次，这样你就会得到12根绳子，来拴紧你子，因为我们要做打。

But the garbage can was held closed with a cord. None of the country raccoons could open the can, but most of the city raccoons could.

但这个垃圾桶根绳子拴紧。没有只乡村浣熊能打开桶盖，但大多数城市浣熊却能做到。

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

驯龙者匆匆地拴紧链条，把它们牢牢地系在铁柱上，又魔杖把铁柱深深地钉在地里。

The screw is loose. Can you tighten it up?

螺丝松了。你可以把它拴紧吗？

Does Harvey know his puppy's off his leash?

哈维知道自己狗没拴紧吗？