4 sentences for 解 (jiě — untie)

1. 这绳子上有个疙瘩，解不开了。

   zhè shéng​zi shàng yǒu gè gē​da, jiě bù kāi liǎo.

   There is a knot in this rope that can't be untied.

   Source: Dong Chinese Dictionary

2. 他正低头解着系得死死的鞋带。

   tā zhèng dī​tóu jiě zhe jì de sǐ​sǐ de xié​dài.

   He is looking down, trying to untie his tightly knotted shoelaces.

   Source: Dong Chinese Dictionary

3. 这团乱麻缠在一起，怎么也解不开。

   zhè tuán luàn​má chán zài yī​qǐ, zěn​me yě jiě bù kāi.

   This tangled mess is knotted together and cannot be undone.

   Source: Dong Chinese Dictionary

4. 这根绳子打的扣儿真结，怎么解也解不开。

   zhè gēn shéng​zi dǎ de kòu'er zhēn jié, zěn​me jiě yě jiě bù kāi.

   This knot is so tight that it can't be untied no matter what.

   Source: Dong Chinese Dictionary