dream about doing sth.

dream about doing sth. dream of/about(doing)sth是什么意思? How about doing sth. about doing sth dream about of doing sth梦想做某事 有没有这种用法 How about doing sth?What about doing sth? be serious about doing sth. what about+doing sth吗 What about sb/sth doing sth? dream of doing sth.什么意思? What about/ how about doing sth be worried doing sth 还是be worried about doing sth