千头万绪恨事那么多
[qiān tóu wàn xù hèn shì nèi me duō]
'A myriad of threads of resentment, there are so many grievous matters.' Expresses frustration from various unresolved problems or grievances. There’s accumulation of negative life experiences or situations. It implies numerous sources of dissatisfaction, making it hard for this individual to focus or move on from these complex grievances.