老板在会议上当众掌掴下属以显示他的权威。

The boss ___slapped his subordinate in the meeting to show his dominance.

他在网上公开用侮辱性方式否定同事的建议，这种行为非常不专业。

He keeps ___bitch-slapping his coworker's suggestions publicly online, which is really unprofessional.