Speaking English it not a piece of cake in case native language.

This could be combined with the previous "No" as "No, speaking . . ."

Not sure what you meant by the native language thing. Maybe "piece of case unless it is your native language."

Because eating is not a need practice, think.

I don't really understand what you're trying to say with this sentence, sorry.

Speaking is not, w. We have to think about athe listener and pronounce pracrice since weactice pronunciation starting when we are a babyies.