It cannot translate everything you say, as it only stores 300 common expressions, like "The train has been put off" or "Watch your step".

它不能翻译你说的每句话，因为它只存储了300个常用表达，比如“火车被推迟了”或“注意你的脚下”。

youdao

Watch your step.

小心走路。

youdao

Watch your step, there is a hole.

小心脚下，这个有一个洞。

youdao

The lesson is that, if you do tread there, watch your step.

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And once it hits the Web, the game will take a primitive, but impressive, step into a brave new world where computers will watch and analyze your preferences and habits and reprogram themselves accordingly.

FORBES: Brave New World