You plan is nearly a castle in the sky

airy theories about socioeconomic improvement; visionary schemes for getting rich.

关于社会经济改进的空想理论；妄想变得富裕的空想计划。

They dreamed up a most impossible plan.

他们凭空想出一个十分荒唐的计划。

She couldn't believe that her plan for a movie career had all been merely a pipe dream.

她无法相信她想从事电影业的计划只是空想。

I don’t think her idealistic plans will ever materialize.

我以为她那些空想的计划永远不会实现。

The plan dropped through

计划失败(落空)了。

His plans fro converting his stable into an antique shop are just pie in the sky.

他想把他的马厩改造成一个古玩店，那种计划只不过是空想而已。

His plans for converting his house into an antique shop are just pie in the sky.

他想把他的房子改造成一个古玩店, 那种计划只不过是空想而已。

The spacecraft touched down on schedule.

太空飞船按计划着陆了

V. Please make up a plan. Fill in the blanks.

请你做一个计划并填空。

The plan fell on stony ground due to lack of money

由于缺钱，计划落空了。

All her plans have come to nothing.

她所有的计划都落空了.

All his schemes came to nothing.

他的计划全都落空了。

Their plan fell through.

他们的计划落空了。

Our plans for an outing fell through.

我们郊游的计划落空了。

I think your plans will chime in with mine .

我想你的计划会与我的计划一致的。

crackpot ideas, schemes, etc

异想天开的念头、 计划等.

chimerical ideas, schemes, etc

异想天开的主意、 计划等.

(of plans, ideas, etc.) perfectly formed.

（指计划、想法等）完全成形。