That's stuff and nonsense; of course I can juggle with three balls at once!

那完全是胡说八道，当然我能同时耍3个球！

Anyway, I don't believe all that stuff and nonsense about white bread versus brown, brown rice versus white, and what have you.

不管怎样，我才不相信那些白面包跟黑面包相比，糙米跟白米相比之类的废话。

The team you are now watching has the best players in the country. -stuff and nonsense! The children from the local school could beat them easily.

他在观看其比赛的这个球队有全国最好的球员。-瞎吹！我看本地学校的孩子们就能轻而易举地打败他们。

He said, "Nonsense and stuff!"

他说：“别说那些毫无用处的废话了！”