及物动词
1. I heard him walking the floor. 我听见他在地板上踱步。
不及物动词
1. I walked her home. 我送她回家。
名词
1. She used to take a walk after supper. 她过去常在晚饭后散步。
2. His walk is just like his father's. 他走路的样子和他父亲一模一样。