過去式：untied 過去分詞：untied 現在分詞：untying
如果只有一邊鬆了 Your shoelace is untied, you should tighten it. 如果兩邊鬆了 Your shoelaces are untied, you should tighten them.
In the heart in most deep place that blockade line untied but him to be very quick must block once again only had you to be able...
...the elder sister to say not good, but I really very want to help him to untie, but if helped him to untie, how his 拔管that did manage...