What does "trangress" refer to in this āyah?

Imām Ibn al-Jawzī (d. 597/1201) summarized the scholars' opinions in his book "Zād al-Masīr" as follows:

1. Killing women and children. [Ibn ʿAbbās, Mujāhid]
2. Fighting those who do not fight you. [Saʿīd ibn Jubayr, Abū al-ʿĀliyah, Ibn Zayd]
3. Committing acts that are prohibited. [Al-Ḥasan]
4. Initiating fighting in the Sacred Precinct (Haram) during the sacred month. [Muqātil]