你练得不够。用英语怎么说？

你练得不够。

You don't practise enough.

you

pron. 你，你们，您们，各位，大家；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

practise

vt.& vi. 练习，实习，积极从事，执业；na. “practice”的变体；

例句
They were forced to practise cannibalism in order to survive.
为了活命,他们只好吃人肉。

enough

adv. 足够地，充足地，十分地；adj. 充足的，足够的；n. 充分，足够，满足；int. 够了；

例句
She was old enough to absent herself from the lunch table if she chose...
她长大了，可以自己做主不来吃午餐了。