perfunctory

adj. 草率的，敷衍的

prefer sb to do sth., perfervid, perfidious, perfidiously, perfidiousness, perfidy, perforate, perforating, perforation, perforce, perform, performance, performer, performing arts, perfume, perfumed, perfumer, perfumery, perfunctorily, perfunctoriness, pergola, perhaps, peri-, perigee, perihelion, peril, perilous, perimeter, period, period piece, periodic, periodic table, periodical, periodicity, peripatetic, peripatetically, peripheral, peripherally, periphery, periphrasis,