1.Clutch stair armrest, move carefully step by step.
抓紧楼梯扶手，一步步谨慎地移动。
2.I'll explain it to you step by step.
我会一步步地解释。
3.A dwarf going upstairs getting higher step by step.
矮子上楼梯,步步登高。
4.He learnt the rules of the game step by step.
他逐步学会了游戏的规则。
5.You must notice your action, so that you go ahead step by step.
必须注意自己的行为，样才能一步一步地前进。
6.A foreign language cannot be learned rapidly,it must be learned step by step.
外语并非在短时间内就能学会,学外语是一个进的过程。
7.That the note relation in semitone and chords sequence gained attention and usage step by step along with the harmony chromaticism.
在和声半音化的进程中，半音中音关系和弦连接的性质也发生了一些变化。
8.Etesian Qingdao interenational seawater desalination conference had broad influence and famousness,and it becomes a famous international conference brand step by step in China.
样
进
