Wait for the concrete to go hard.

等待混凝土凝结。

《牛津词典》

Cutting hard this year is too risky; but laying out a concrete set of proposals on how to get the budget back into shape from 2012 onwards is essential.

在今年大幅削减开支的确风险太大，但是，提出一套能够从2012年起让国家预算恢复正常的具体议案，却是必不可少的。

youdao

Living conditions are hard in this concrete, steel and glass urban jungle, that has been cut away from nature a long time ago, with pollution reaching truly alarming levels.

在这个混凝土，钢铁和玻璃的都市丛林中，很久以前就与大自然无缘，污染达到令人震惊的程度，生活条件极为艰苦。

youdao

Even at the bottom, the trunks of the spindly, shag-topped trees are thin enough to wrap a good hug around, yet hard as concrete.

BBC: Colombia��s valley of the palms

The Environment Agency scheme includes a combination of hard defences, reinforced concrete walls with sheet metal cores and earth embankments.

BBC: Towns' flood defences in place

Like predecessors, hard to point at concrete achievement, legacy more intangible.

BBC: Your questions to Kim Ghattas