fanfaronade rodomontade
大显身手、大显神通strut one's stuff 大言不惭、夸夸其谈fanfaronade rodomontade 大义凛然inspiring awe by upholding justice ..
full of hot air
... Hot air 夸夸其谈 Be full of hot air 夸夸其谈 Hot spot 热闹好玩的地方;危险地带 ...
be an armchair strategist
夸夸其谈be an armchair strategist 实际是测验真谛的独一尺度Practice is the sole criterion for testing truth. .
Hot air
... Hold the purse strings 掌管金钱财务 Hot air 吹牛,夸夸其谈 Hot potato 棘手的问题(problem),难题 ...
夸夸其谈,汉语成语,拼音是kuā kuā qí tán,指浮夸空泛地大发议论,形容说话或写文章浮夸,不切合实际。出自《儒林外史》。