In the centre of the capital and the neighbouring towns the buildings are too often made of weak concrete, cut with sand and lacking the steel rods that would fortify them against shocks.

首都中心以及周边城镇的建筑都由一些劣质的混凝土与沙混合组成，缺乏用来加固建筑以防地震的钢筋。

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In the eyes of the weak, suffering is the fine sand in the shoes; in the eyes of the strong, suffering is a magnificent pearl.

在弱者眼里，苦难是鞋里的细沙；在强者眼里，苦难是一颗华丽的珍珠。

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This paper illustrates the development of technique of sand production mechanism and prediction of sand production amount in weak cementation sand stone reservoir.

对弱胶结砂岩油藏出砂机理和出砂量预测技术的研究进展进行了综合论述。

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Skipper Adam Barrett tried to clear a weak Wordsworth strike but his foot stuck in the sand close to the goal and the ball dribbled over the line.

BBC: Sport - Football - Colchester 2-0 Southend