这个问题千头万绪，三言两语说不清楚。

This problem is too complicated to be explained in a few words.

《新英汉大辞典》

想想没有遇见你以前的每一天，我生活得千头万绪，不知所措。

Thinking about my life before I met you. Never could I have had a clue.

youdao

想想没有遇见你以前的每一天，我生活得千头万绪，不知所措。

Thinking about my life before I met you. Never could I have had a clue.

youdao