Do you have any difficulty in understanding oken english ?

你听英语口语有困难吗？

I 'll call you after I have oken to them .

我和他们谈过以后会打电话给你。

The difference between libel and slander is that libel is printed while slander is oken .

诽谤和流言的区别在于前者是书面的，而后者是口头的。

How can I improve my oken english ?

我该怎样才能提高口语水平？

I helped them read english and improve their oken english .

我帮他们读英语,使他们的口语有所提高.