She talks a good game about protecting the environment, but she doesn't even recycle.她大谈特谈保护环境，但她连回收再利用都不做。Critics raved about the new play.评论家大谈特谈这出新戏。He talks glibly of returning to school, but I know he doesn't have the discipline.他大谈特谈回学校读书的事，但我知道他并不具备这种自制力。