Just like castles in the air, this idea is totally impractical.

Be realistic! It is too risky o build castles in the air.

务实一点吧! 建造空中楼阁是危险的.

Don't build castles in the air when you design this important project.

当你设计这项重要的计画时,不可成为空中楼阁,不切实际.

These were no castles in the air.

而他这理想未必完全是架空的.

Theoreticians are busy building and refining the castles in the air of the model world.

理论家们忙于建立和改善模型世界中的空中楼阁.

I have been building castles in the air with you.

我一直和你一起做白日梦.

Castles in the air-they are so easy to take refuge in. And easy to build, too.

空中楼阁 —— 很容易进去避难的地方, 而且也容易造出来.

Castles in the air cost a vast deal to keep up.

空中楼阁,要有一大笔费用来维持.

His schemes are just castles in the air.

他的种种方案均属空想.

Don't build castles in the air.

不要想些空中楼阁了.

I see he's still building castles in the air.

我看他又在做白日梦了.

Castling is a move that everyone should strive to make while playing chess.

王车易位是每个人在玩象棋时都应尽力走出的一步棋.

All squares between the rook and king before the castling move are empty.

在王车易位时国王和车之间的所有方块必须是空的.

Castling is the only move in chess where two pieces move at the same time.

车王易位是国际象棋中唯一可以同时移动两个棋子的招数.

Under certain , special rules, a king and rook can move simultaneously in a castling move.

在特殊的规则下, 国王和车可以同时移动.

The castoff produced in pig industry pollutes the air, the water, the soil and so on.

规模养猪生产过程中产生的废弃物可对大气 、 水体和土壤等造成污染, 降低环境质量.

Fly ash was a sort of industrial solid castoff which could be utilized again.

粉煤灰是一种可再资源化的工业固体废弃物.

Half pint castor is oily, boss.

半品脱蓖麻子油, 老板.

This bottle of oil is made from castor.

这瓶油是用蓖麻制成的.

Then, after some days, castor height than me, and I looked up to see them.

又过了些日子, 蓖麻的高度超过了我, 我仰着头看它们.

This paper studies the method of extraction of ricinine in castor pomace.

本文研究了蓖麻渣和蓖麻籽中蓖麻碱的提取方法.