这个问题千头万绪三言两语说不清楚的英文

this problem is too complicated to be explained in a few words

• 这个:    this one; this
• 问题:    question; problem
• 千头万绪:    a multitude of thi ...
• 三言两语:    in two words or th ...
• 说不清:    hard to explain
• 楚:    clear; neat