糾糾纏纏只是因爲放不下
[jiū jiū chán chán zhĭ shì yīn wèi fàng bù xià]
'Tangled up just because I can't let go' implies that one is emotionally entangled and finds it hard to sever connections with the past. It expresses a feeling of being bound by emotional ties which the user cannot easily break.