pen-pusher

n (infml derog 口, 贬) person (esp a clerk) whose job involves a lot of boring paperwork 做大量单调文书工作的人（如文员）.

Pekinese (also Pekingese), pekoe, pelagic, pelf, pelican, pelican crossing, pell-mell, pellagra, pellet, pellucid, pelmet, pelota, pelt, pelvic, pelvis, pemmican, pen, pen-and-ink, pen-friend (also esp US `pen-pal), pen-name, pen-pushing, pen-wiper, penal, penal code, penal law, penal servitude, penalization, penalize, penalize, penalise, penally, penalty, penalty area, penalty clause, penalty kick, penance, pence, penchant, pencil, pencil-case, pencil-sharpener,