Either Trump isn't taking this seriously, thinks it's a gameshow or is just kining up a whine about the judge.
Late back from a ten minute break; judge irked and said so.
Then this (comment from the BBC):
While cross examining William Kelly, one of Trump’s attorneys built a lengthy, and repetitive, wind up to his question. Judge Engoron was not having it.
He repeatedly prodded Trump’s lawyer to just ask the question, which he continued not to do. Trump’s lead lawyer, Chris Kise, complained that their side was always being rushed and interrupted.
There was mild bickering between the bench and the defence table, and Trump’s lawyer began his wind up again. By this time, the dozens of audience members in the court were chuckling.
After all that, Trump’s lawyer wound up not actually asking a question and simply praised Kelly for his integrity.