I used a screwdriver to tighten this screw.

我用一螺丝起根螺丝拴紧。

The screw is loose. Can you tighten it up?

螺丝松了。你可以拴紧吗？

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.

驯龙者匆匆地拴紧链，们牢牢地系在铁柱上，又用魔杖铁柱深深地钉在地里。

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英寸的绳长度，从上到下缠绕6次，样你就会得到12根绳，用来拴紧你的粽，因为我们要做一打。