英语翻译!!拜托拉~~

there's no needs to regret missing the attention of Pro. wang's lecture, since he is not humour at all.

You should not regret having missed Professor Wang's lecture,because he is far from humorous.

You didn't regret missing the lecture of Prof. Wang,because he is not humour.

you needn't to regreat not to attent to pro.wang'lecture , beacuse he lack of intreasting .