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一歩， １歩， いっぽ
1. (a) step, one step
2. level, stage, step
3. small degree, small amount
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は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
前， まえ
1. in front (of), before (e.g. a building)
2. before, earlier, previously, prior, ago, (minutes) to (the hour)
3. (the) front, frontal part, fore, head (e.g. of a line)
4. forward, ahead
5. (in the) presence (of), in front (of someone)
6. previous (e...
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