high-sounding
adj. 誇大的; 誇張的; 高調的; 誇誇其談的
You can use high-sounding to describe language and ideas which seem very grand and important, especially when you think they are not really important.
...high-sounding decrees designed to impress foreigners and attract foreign capital.
意在打動外國人以吸引外資的華而不實的法令
1. pretentious (especially with regard to language or ideals);