There is the phrase "talking without saying anything", which implies idle chatter and not a lot of meaning. So for me, speak is more formal and more precise than talk. (That applies both to the thing being described by speak or talk as well as the person using the term speak or talk.)

2017年4月27日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

2018年5月29日 · First, I'd like to thank you for your comment. As far as I'm concerned, the present progressive doesn't sound right in that context since the phrase "When we are talking about sth." is more like a general statement. General statements, however, require …

2019年8月23日 · British uses of 'talking through his hat', which as far as can be determined (by me, who else) first appeared in the 1890s, seem to be sponsored by the American, as witnesses this from the Manchester Evening News (paywalled; Manchester, UK) …

2016年8月11日 · Compulsive talking. Compulsive talking (also known as talkaholism) goes beyond the bounds of what is considered to be a socially acceptable amount of talking. Chunter. to talk for a long time about something that other people do not find interesting.

2015年12月21日 · Her eyes widened. "Jonathan," she cried, "what happened to you?". The reporting verb, to cry suggests that the speaker spoke instantly and showed deep concern at the same time.

2012年3月28日 · Talking to is an old-fashioned verb form (or nounification, if that's a word*) that reflects the idea that superiors talking to a junior were talking to them, not with them. Hence, if you would like to have a better relationship with your inner self, you're probably better off conversing or discussing or, heaven forbid, understanding .

2015年5月1日 · @mukhujje Talking a lot without saying anything is not a medical condition. A very similar term, which was the first thought that came into my mind upon reading the question title, is windbag, which strikes me as slightly less offensive than gasbag. –

2017年7月8日 · @Sasan I agree with NVZ: "He is talking to himself" implies "he is out of his mind", or, at the best, no one is listening to him. Father to know-it-all teenager: "I may be just talking to myself, but I want to explain once again the danger of driving without a seat-belt." "Thinking out loud" is much less likely to be interpreted as insane or ...

2018年1月16日 · Would also agree with @Bilkokuya - I wonder if there's some confusion with 'talking through their hat', to talk about something with no real understanding of the subject matter. To pull it out of the hat (in UK English) would be to 'produce something surprising and unexpected that helps you succeed' (see, e.g. Collins UK.) –