It's no use pumping a dry well.

涸进汲水，无济于事。

And the plants and flowers and grass he eats once grew on dry land as well.

他所吃的植物花朵和草也曾生长在干燥的陆地上。

They closed in on the youth, refusing to let him pass until he answered their question: why was the well dry?

他们包围了年轻人，拒绝让他通过，直到他回答他们的问题：为什么井干了？

If Scotland votes to leave, warns Mr Baillie, the flow of pension money into the Scottish-based insurance companies from outside Scotland may well dry up.

贝利还警告道，如果苏格兰投票脱离英国，总部位于苏格兰的保险公司将会失去从苏格兰外部涌入的养老金资金流。