•The UN announced its intentions to toughen sanctions still further.联合国宣布要进一步加强制裁的意图。

•The government wants to toughen (up) the existing drug laws/controls.政府想要加强现有有关毒品的法律／对毒品的控制措施。

•His time in the army certainly toughened him up.军旅生涯确实使他变得更加坚强。

•Car windows are usually made from toughened glass.汽车车窗通常是由强化玻璃制成。

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•Amid toughening competition in the market, many firms are going out of business.由于市场竞争愈趋激烈，许多公司只好结业。