step by step

Clutch stair armrest, move carefully step by step.

抓紧楼梯扶手，一步步谨慎移动。

A dwarf going upstairs getting higher step by step.

矮子上楼梯,步步登高。

I'll explain it to you step by step.

我会一步步解释给你听。

He learnt the rules of the game step by step.

他逐步学会了游戏的规则。

A foreign language cannot be learned rapidly,it must be learned step by step.

外语并非时间内就能学会,学外语是一个循序渐进的过程。

That the note relation in semitone and chords sequence gained attention and usage step by step along with the harmony chromaticism.

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。

Etesian Qingdao interenational seawater desalination conference had broad influence and famousness,and it becomes a famous international conference brand step by step in China.

这一年一次的青岛海水淡化国际会业内已有很大的影响力和知名度，逐步发展成中国的一个知名的国际会品牌。