Pettyfogging her colleagues with trivial objections, she derailed the whole discussion.

Her pettyfogging objections derailed the meeting before any real progress could be made.

During the meeting, he pettyfogged every minor clause until the team gave up.

Whenever the committee proposes a compromise, the opposition pettyfogs and stalls until their demands are met.

Rather than settle the dispute, he tried to pettyfog over a minor technicality, wasting everyone's time.