Peter drove jerkily, cornering too fast and fumbling the gears.彼得转弯太急，换挡不利索，车开得一颠一颠的。Using his stick heavily, he moved jerkily towards the car.他费力地拄着拐杖，一瘸一拐地着向汽车走去。He began walking jerkily up and down, evidently unable t...