pie in the sky片语

空想、不切实际的幻想、渺茫的希望

Without funding, the whole project is just pie in the sky.

没有资金，整个计划只是空想。

空头支票、空口承诺

Voters are tired of pie in the sky from politicians.

选民早已厌倦政客开的空头支票。

不切实际的、空想的

He keeps pitching pie-in-the-sky ideas at every meeting.

他每次开会都提出些不切实际的想法。