затянулось

In a sentence

• Заседание затянулось на длительное время.

  The meeting dragged on for a long time.

  Here, 'затянулось' is used to describe the prolongation of an event beyond the expected or desirable time.

• После дождя небо затянулось серыми тучами.

  After the rain, the sky became covered with gray clouds.

  Here, 'затянулось' describes the action of the sky being filled or obscured, giving the sense of covering or spreading.

• Рана затянулась и перестала причинять боль.

  The wound healed and stopped causing pain.

  Here, 'затянулось' signifies the process of healing, in the context of a wound closing and recovering.