脚步沉重地 meaning in English

with a heavy tread

They trudged forward, more slowly and painfully than they had done yet .
他们脚步沉重地前进，比以前更慢更吃力了。
The delivery man tramped in with a sack of potatoes across his shoulders
送货的人肩上扛着一袋土豆脚步沉重地走了进来。
She heaved herself to her feet and still with the gun in one hand ran heavily toward the warren , brushing sticks and leaves off her dress as she went
她站起身来，一手拎着枪，一边掸掉裙子上年者的小木棍和树叶，脚步沉重地跑到兔子洞哪儿。