不是 打一个老头都打不明白
“Seriously? You can't even handle one old man?”
THE DIALOGUE REEL
躲 躲 过来
“Old man! Duck? Come here.”
不是 打一个老头都打不明白
“Seriously? You can't even handle one old man?”
“How dare you ask me for money?”
“You are completely useless, so do not expect a single dime from me.”
Beyond meaning 'to understand', '明白' is colloquially used as a complement of result meaning 'to do something thoroughly, neatly, or properly'.
LEARNING CHUNKS & PARTICLES
cannot even manage to beat someone up properly / unable to handle
A colloquial northern Chinese resultative construction implying complete incompetence at completing a straightforward action.
old man
Casual and often blunt or informal term for an elderly male.