及物动词

1. 解开…上的绳索；松开
If you untie something that is tied to another thing or if you untie two things that are tied together, you remove the string or rope that holds them or that has been tied round them.

2. 解开，松开（绳结等）
If you untie something such as string or rope, you undo it so that there is no knot or so that it is no longer tying something.

3. 解开，松开（鞋带）
When you untie your shoelaces or your shoes, you loosen or undo the laces of your shoes.

1. undo the ties of

e.g. They untied the prisoner

Synonym: unbraceunlace

2. cause to become loose

e.g. undo the shoelace
untie the knot
loosen the necktie

Synonym: undoloosen