If you describe something as grandiose, you mean it is bigger or more elaborate than necessary. 华而不实的
adjective [原级] 宏伟的；堂皇的；浮夸的；宏大的
The grandiose scheme for a journey across the desert came to nothing. 不切实际的穿越沙漠计划已成泡影。
The grandiose scheme for a journey across the desert came to nothing. 不切实际的穿越沙漠计划已成泡影。
