How to pronounce“buttonholed”in English

receptions and diligently buzzed and buttonholed congressmen in the interest of the Columbus River scheme meantime Senator Dorthy labored hard in the same

who he had met somewhere and he said he buttonholed the guy and showed him these graphs and said, 'I can't make any sense out of this,' and he told the professor

they don't save enough it's it's just it's a there's a whole Litany of Horrors at events like these how often are you buttonholed about