徒步

Pinyin: túbù
Meaning：Pedestrianism; leg it
Sentence: 不管雨下得多大他们仍继续徒步旅行。However hard it rained, they go on hiking.

 

More:

徒：

Pinyin: tú
Meaning: apprentice
Radical: 彳
Stokes: 10
Traditional: 徒
Common words/Phrase:
徒弟 [túdi] 【apprentice】
徒劳 [túláo] 【futile】
徒手 [túshǒu] 【bare-handed】
徒刑 [túxíng] 【sentence】
徒然 [túrán] 【for nothing】

 

步：

Pinyin: bù
Meaning: March; walk; a step; a pace; stages in a process
Radical: 止
Stokes: 7
Traditional: 步
Common words/Phrase:
步骤 [bùzhòu] 【move】
步行 [bùxíng] 【to go on foot】
步伐 [bùfá] 【march; pace】
步兵 [bùbīng] 【foot soldier】
步枪 [bùqiāng] 【rifle】