stagger(蹒跚) plod(迈着艰难的脚步行走；跋涉)loiter(游荡；闲逛)stride(大步走)stray(走离；迷失)strut(昂头阔步) ramble lurk(潜行) creep(爬行) stroll(闲逛；溜达)trudged(艰难地走；吃力地走scramble(攀爬) lu...