I never understand what you are talking about, maybe it's the language barrier.
我从不知道你在说什么,也许这就是语言障碍吧。
His finger is wounded, Does it hurt?
他的手指受伤了,疼不疼?
would be like trying to meet a friend in London without a pre-arranged rendezvous and absurdly wandering the streets in the hope of a chance encounter.