Knock hard, the hall is long

n.

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A cheeky owl Waterford put-down for a yungwan with a bit of a reputation, as in, she couldn't hear ye knockin' on account of de hall being so long.

Let Lawrence Muck translate it to posh English for you
Lawrence Muck

Good evening, and welcome to the parlour. Would you like me to translate 'Knock hard, the hall is long' in use for you?

I gather that particular young lady's hallway is exceedingly long, so do knock firmly.