toughen

加強、強化、使更嚴格

The government plans to toughen the laws on drunk driving.

政府打算加強酒駕相關的法規。

使堅韌、變硬、使更耐用

The glass is heated and cooled to toughen it.

這種玻璃經過加熱與冷卻處理以增加韌性。

使堅強、磨練、變得堅強

Years of hard work toughened him considerably.

多年的辛勞讓他變得堅強許多。

堅強起來、變得更堅強口語

You need to toughen up if you want to survive in this industry.

你想在這行生存下去，就得堅強一點。